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15 Highlights 74 Differences 0 Reactions 0 Likes
Sennheiser HD 660S2 Facts: 149 Specifications & 15 Highlights
Thinking of upgrading your setup? The Sennheiser HD 660S2 brings 149 specs & features to the table — including killer features like general information, dimensions & weight, materials & build & audio performance.
A fast snapshot of the Sennheiser HD 660S2, covering its standout specification and what you can expect right out of the box.
Sennheiser HD 660S2
The Sennheiser HD 660S2 delivers precise audio reproduction with a wide soundstage. These open-back audiophile headphones are ideal for critical listening at home or in a studio.
Specifications & Facts 149
Specs measured. Drama avoided.
What makes the Sennheiser HD 660S2 tick? Dive into all 149 features including general information, dimensions & weight, materials & build & audio performance, and see how it stacks up to the best in headphones — by community votes.
General Information 16
Sennheiser HD 660S2 Detachable Cable
Does it have a detachable cable?
Yes 0Votes Sennheiser HD 660S2
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Sennheiser HD 660S2
The cable is detachable, making it easier to replace in case of damage and offering options for cable upgrades.
Cable can be detached for replacement or portability.
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Sennheiser HD 660S2 Replaceable Earpads
Are the earpads replaceable?
Yes 0Votes Sennheiser HD 660S2
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The earpads are replaceable, allowing users to swap them out for comfort or wear over time, extending the headphones' lifespan.
Indicates if ear pads can be replaced.
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Sennheiser HD 660S2 Replaceable Headband
Is the headband replaceable?
Yes 0Votes Sennheiser HD 660S2
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Sennheiser HD 660S2
The headband is replaceable, which supports long-term use and easier repairs or style changes.
Indicates if headband can be replaced.
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Sennheiser HD 660S2 Product Name
What is the product name?
0 Sennheiser HD 660S2 0 Votes Sennheiser HD 660S2
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The official name of the headphones.
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Sennheiser HD 660S2 Release Year
What is the release year?
0 Sennheiser HD 660S2 0 Votes 2023
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Year the headphones were first released.
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Sennheiser HD 660S2 Warranty Period
What is the warranty period?
0 Sennheiser HD 660S2 0 Votes 2 Years
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Duration of manufacturer’s warranty.
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Sennheiser HD 660S2 Intended Use
What is the intended use?
0 Sennheiser HD 660S2 0 Votes Music
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The primary intended application for the headphones.
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Sennheiser HD 660S2 Headphone Type
What type of headphones are these?
0 Sennheiser HD 660S2 0 Votes Over Ear
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The general type of headphones.
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Sennheiser HD 660S2 Form Factor
What is the form factor?
0 Sennheiser HD 660S2 0 Votes Wired
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The main physical form factor.
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Sennheiser HD 660S2 Fit Style
What is the fit style?
0 Sennheiser HD 660S2 0 Votes Open Back
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The fit and enclosure style of headphones.
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Sennheiser HD 660S2 Age Group Recommendation
What age group is recommended?
0 Sennheiser HD 660S2 0 Votes Adult
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Recommended age group for product use.
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Sennheiser HD 660S2 Limited Edition
Is it a limited edition?
No 0Votes Sennheiser HD 660S2
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Shows if product is a limited edition release.
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Sennheiser HD 660S2 Country of Origin
What is the country of origin?
0 Sennheiser HD 660S2 0 Votes Ireland
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Country where the product was designed or manufactured.
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Sennheiser HD 660S2 Foldable Design
Do they have a foldable design?
No 0Votes Sennheiser HD 660S2
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Indicates if headphones can be folded for storage.
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Sennheiser HD 660S2 Replaceable Cable
Is the cable replaceable?
Yes 0Votes Sennheiser HD 660S2
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Indicates if cable can be replaced with another.
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Sennheiser HD 660S2 Certification Standard
What certifications are included?
0 Sennheiser HD 660S2 0 Votes CE, RoHS
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Compliance standards product meets.
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Dimensions & Weight 15
Sennheiser HD 660S2 Weight
What is the headphone weight?
0.57 lbs 0Votes
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Sennheiser HD 660S2
The headphones weigh 0.57 lbs (0.26 kg). This weight allows for comfortable use over extended listening sessions.
Overall headphone weight without packaging.
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Sennheiser HD 660S2 Cable Length
What is the cable length?
5.91 ft 0Votes
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The cable length is 5.91 feet (1.8 meters), offering enough length for comfortable use without feeling restricted.
Length of the audio cable for wired use.
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Sennheiser HD 660S2 Width
What is the width of the headphones?
7.87 inch 0Votes
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The headphone width is 7.87 inches (20.0 cm), giving an idea of how wide the headphones are from earcup to earcup.
Overall horizontal measurement of the headphones.
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Sennheiser HD 660S2 Depth
What is the depth of the headphones?
3.94 inch 0Votes
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The headphone depth measures 3.94 inches (10.0 cm), which indicates the thickness of the headphones.
Front-to-back measurement of the headphones.
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Sennheiser HD 660S2 Height
What is the height of the headphones?
9.45 inch 0Votes
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The headphone height is 9.45 inches (24.0 cm), describing the vertical dimension of the headphones themselves.
Vertical measurement from top to bottom.
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Sennheiser HD 660S2 Package Width
What is the package width?
10.63 inch 0Votes
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The package width is 10.63 inches (27.0 cm), relevant for shelf space or carrying case dimensions.
Width of the retail package.
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Sennheiser HD 660S2 Package Depth
What is the package depth?
4.33 inch 0Votes
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The package depth is 4.33 inches (11.0 cm), indicating how compact the packaging is for storage or transport.
Depth of the retail package.
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Sennheiser HD 660S2 Package Height
What is the package height?
13.39 inch 0Votes
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The package height is 13.39 inches (34.0 cm), demonstrating the vertical size of the packaging.
Height of the retail package.
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Sennheiser HD 660S2 Package Weight
What is the package weight?
2.2 lbs 0Votes
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The package weight is 2.2 lbs (1.0 kg), which includes the headphones and any accessories.
Total weight including packaging.
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Sennheiser HD 660S2 Headband Width
What is the headband width?
1.97 inch 0Votes
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The headband width measures 1.97 inches (5.0 cm), providing adequate support and comfort on the head.
Thickness of headband which affects support.
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Sennheiser HD 660S2 Headband Adjustability Range
What is the headband adjustability range?
1.57 inch 0Votes
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The headband adjustability range is 1.57 inches (4.0 cm), meaning the headset can be adjusted to fit different head sizes.
Maximum adjustment range of the headband.
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Sennheiser HD 660S2 Ear Cup Depth
What is the ear cup depth?
1.57 inch 0Votes
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The ear cup depth is 1.57 inches (3.99 cm), which influences how the headphones fit around the ears and the overall comfort.
Distance from outer edge to inner pad base.
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Sennheiser HD 660S2 Ear Cup Inner Diameter
What is the ear cup inner diameter?
2.76 inch 0Votes
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The ear cup inner diameter is 2.76 inches (7.0 cm), a measurement important for fitting various ear sizes comfortably.
Internal space of ear cups, affecting ear comfort.
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Sennheiser HD 660S2 Ear Cup Outer Diameter
What is the ear cup outer diameter?
4.33 inch 0Votes
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The ear cup outer diameter is 4.33 inches (11.0 cm), denoting the size of the ear cup's exterior, which affects fit around the ear.
Overall size of the ear cups.
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Sennheiser HD 660S2 Clamp Force
What is the clamp force?
1.1 lbs 0Votes
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The clamp force is 1.1 lbs (0.5 kg), which means the pressure applied by the headphones on the head to ensure a secure fit without discomfort.
Pressure applied by headband on the ears.
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Materials & Build 15
Sennheiser HD 660S2 Material
What is the main material of the headphones?
0 Sennheiser HD 660S2 0 Votes Hybrid
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The material composition includes a hybrid mix presumably balancing plastic and metal components for strength and weight optimization.
Primary construction material of the headphones.
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Sennheiser HD 660S2 Ear Cushion Material
What is the ear cushion material?
0 Sennheiser HD 660S2 0 Votes Velour
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Ear cushions are made of velour, a soft fabric providing comfort and breathability to reduce ear heat and sweating.
Material of ear cushions that affects comfort and breathability.
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Sennheiser HD 660S2 Headband Padding Material
What is the headband padding material?
0 Sennheiser HD 660S2 0 Votes Foam
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The headband padding is made from foam, providing cushioning and comfort during extended use.
Padding type used in the headband.
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Sennheiser HD 660S2 Hinges Material
What is the hinge material?
0 Sennheiser HD 660S2 0 Votes Plastic
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Hinges material is plastic, balancing lightweight design with adequate durability for normal use.
Material used for the folding hinges.
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Sennheiser HD 660S2 Cable Material
What is the cable material?
0 Sennheiser HD 660S2 0 Votes Rubber
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The cable material is rubber, offering flexibility and some durability while maintaining reasonable resistance to tangling.
Construction material of the audio cable.
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Sennheiser HD 660S2 Reinforced Joints
Do the headphones have reinforced joints?
Yes 0Votes Sennheiser HD 660S2
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The headphones have reinforced joints, improving durability by strengthening parts that often experience stress and wear.
Indicates if stress points are reinforced for durability.
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Sennheiser HD 660S2 Recyclable Materials
Are the headphones made with recyclable materials?
Yes 0Votes Sennheiser HD 660S2
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The materials used in the headphones are recyclable, supporting environmental responsibility and sustainability.
Indicates if materials are recyclable for sustainability.
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Sennheiser HD 660S2 Connector Material
What is the connector material?
0 Sennheiser HD 660S2 0 Votes Gold Plated
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Metal used for plug connectors.
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Sennheiser HD 660S2 Sweat Resistance
Are the headphones sweat resistant?
No 0Votes Sennheiser HD 660S2
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Indicates whether headphones resist sweat damage.
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Sennheiser HD 660S2 Dust Resistance
Are the headphones dust resistant?
No 0Votes Sennheiser HD 660S2
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Indicates whether headphones are resistant to dust particles.
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Sennheiser HD 660S2 Scratch Resistant Coating
Do the headphones have scratch resistant coating?
No 0Votes Sennheiser HD 660S2
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Protective layer against scratches.
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Sennheiser HD 660S2 UV Resistant Coating
Do the headphones have UV resistant coating?
No 0Votes Sennheiser HD 660S2
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Resistance against UV light fading or damage.
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Sennheiser HD 660S2 Color Options
What are the color options?
0 Sennheiser HD 660S2 0 Votes Black
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Available colors for the headphones.
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Sennheiser HD 660S2 Finish
What is the finish?
0 Sennheiser HD 660S2 0 Votes Matte
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Surface treatment of the headphone exterior.
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Sennheiser HD 660S2 Eco Friendly Certification
What eco friendly certification do the headphones have?
0 Sennheiser HD 660S2 0 Votes Other
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Environmental certification of the product.
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Audio Performance 20
Sennheiser HD 660S2 Driver Size
What is the driver size?
42 mm 0Votes
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The driver size is 42 mm, a size that generally offers good bass response and overall balanced sound quality.
Diameter of the driver unit.
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Sennheiser HD 660S2 Low Frequency Response
What is the lowest frequency response?
9 Hz 0Votes
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The low frequency response starts at 9 Hz, extending below the standard audible range to provide deep bass impact and room for low-frequency nuances.
Lowest audible frequency reproduced.
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Sennheiser HD 660S2 High Frequency Response
What is the highest frequency response?
41,500 Hz 0Votes
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The high frequency response reaches 41500 Hz, which is above the typical human hearing range, indicating potential for reproducing subtle high-frequency detail in audio.
Highest audible frequency reproduced.
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Sennheiser HD 660S2 Sensitivity
What is the sensitivity?
104 dB 0Votes
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The sensitivity rating is 104 dB, reflecting how effectively the headphones convert electrical signals into sound. Higher sensitivity generally means louder audio at a given power.
Loudness produced per given input power.
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Sennheiser HD 660S2 Sound Signature
What is the sound signature?
0 Sennheiser HD 660S2 0 Votes Neutral
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The sound signature is neutral, meaning the headphones do not emphasize bass, midrange, or treble frequencies, providing a balanced and accurate sound profile suitable for critical listening.
Tonal balance of headphone output.
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Sennheiser HD 660S2 Impedance
What is the impedance?
300 ohm 0Votes
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The impedance is set at 300 ohms, indicating these headphones are suited primarily for use with dedicated headphone amplifiers or high-powered devices for best performance.
Electrical resistance of headphones.
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Sennheiser HD 660S2 Sound Pressure Level
What is the sound pressure level?
104 dB 0Votes
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The sound pressure level is 104 dB, indicating the maximum loudness the headphone drivers can output without distortion.
Acoustic pressure output.
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Sennheiser HD 660S2 Total Harmonic Distortion
What is the THD?
0.04 % 0Votes
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The total harmonic distortion is very low at 0.04%, ensuring the audio output is clear with minimal distortion even at higher volumes.
Distortion in audio output.
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Sennheiser HD 660S2 Dynamic Range
What is the dynamic range?
110 dB 0Votes
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The dynamic range is 110 dB, which represents the range between the quietest and loudest sounds the headphones can reproduce effectively.
Range between softest and loudest sounds.
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Sennheiser HD 660S2 Phase Coherence
What is the phase coherence?
0 Sennheiser HD 660S2 0 Votes Excellent
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Phase coherence is excellent, which contributes to more natural sound and better stereo imaging by ensuring sound waves from drivers align properly.
Alignment of frequency components in phase.
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Sennheiser HD 660S2 Stereo Imaging Quality
What is the stereo imaging quality?
0 Sennheiser HD 660S2 0 Votes Excellent
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The stereo imaging quality is rated as excellent, meaning the headphones provide clear spatial placement of instruments and effects in the sound field.
Ability to position sound accurately in stereo field.
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Sennheiser HD 660S2 Soundstage Width
What is the soundstage width?
0 Sennheiser HD 660S2 0 Votes Wide
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The soundstage width is wide, offering immersive audio that feels expansive and spacious, which is especially good for music genres that benefit from a sense of space.
Lateral spread of perceived audio.
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Sennheiser HD 660S2 Soundstage Depth
What is the soundstage depth?
0 Sennheiser HD 660S2 0 Votes Deep
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The soundstage depth is deep, contributing to a layered listening experience where individual instruments can be distinctly perceived at varying distances.
Front-to-back perception of audio field.
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Sennheiser HD 660S2 Driver Type
What is the driver type?
0 Sennheiser HD 660S2 0 Votes Dynamic
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Type of driver technology used for sound production.
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Sennheiser HD 660S2 Acoustic Design
What is the acoustic design?
0 Sennheiser HD 660S2 0 Votes Open Back
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Headphone enclosure type.
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Sennheiser HD 660S2 Maximum Input Power
What is the maximum input power?
500 mW 0Votes
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Maximum power headphones can handle.
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Sennheiser HD 660S2 Impulse Response Speed
What is the impulse response speed?
0 Sennheiser HD 660S2 0 Votes Fast
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Speed at which drivers respond to signal changes.
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Sennheiser HD 660S2 Bass Enhancement Technology
What bass enhancement technology is used?
0 Sennheiser HD 660S2 0 Votes None
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Technology that enhances bass response.
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Sennheiser HD 660S2 Treble Enhancement Technology
What treble enhancement technology is used?
0 Sennheiser HD 660S2 0 Votes None
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Technology used to enhance treble clarity.
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Sennheiser HD 660S2 Surround Sound
Do the headphones support surround sound?
No 0Votes Sennheiser HD 660S2
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Indicates if headphones support surround audio.
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Connectivity & Compatibility 14
Sennheiser HD 660S2 Connection Type
What is the connection type?
0 Sennheiser HD 660S2 0 Votes Wired
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Sennheiser HD 660S2
These are wired headphones, which typically offer lower latency and consistent audio quality without the need to manage battery life.
Defines whether headphones connect via cable, wireless, or both.
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Sennheiser HD 660S2 Wired Connector Gold Plated
Are the wired connectors gold-plated?
Yes 0Votes Sennheiser HD 660S2
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The wired connectors are gold plated, which provides better conductivity and corrosion resistance for improved audio signal quality.
Indicates if wired connectors are gold-plated for durability.
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Sennheiser HD 660S2 Wired Mode Support
Do the headphones support wired mode?
Yes 0Votes Sennheiser HD 660S2
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Wired mode is supported, allowing use without any wireless connection, usually yielding best audio fidelity.
Indicates if headphones can also be used in wired mode.
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Sennheiser HD 660S2 Multipoint Connectivity
Do the headphones support multipoint connectivity?
No 0Votes Sennheiser HD 660S2
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Sennheiser HD 660S2
Multipoint connectivity is not supported; the headphones can only connect to one device at a time.
Ability to connect to multiple devices simultaneously.
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Sennheiser HD 660S2 Connector Plug Type
What is the connector plug type?
0 Sennheiser HD 660S2 0 Votes 6.3mm
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Type of physical connector for wired use.
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Sennheiser HD 660S2 Detachable Cable Connector Type
What detachable cable connector is used?
0 Sennheiser HD 660S2 0 Votes Proprietary
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Connector type used for detachable cables.
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Sennheiser HD 660S2 NFC Pairing
Do the headphones support NFC pairing?
No 0Votes Sennheiser HD 660S2
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Allows one-tap NFC device pairing.
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Sennheiser HD 660S2 SBC Support
Do the headphones support SBC?
No 0Votes Sennheiser HD 660S2
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Indicates if headphones support SBC codec.
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Sennheiser HD 660S2 AAC Support
Do the headphones support AAC?
No 0Votes Sennheiser HD 660S2
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Indicates if headphones support AAC codec.
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Sennheiser HD 660S2 AptX Support
Do the headphones support AptX?
No 0Votes Sennheiser HD 660S2
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Indicates if headphones support Qualcomm AptX codec.
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Sennheiser HD 660S2 LDAC Support
Do the headphones support LDAC?
No 0Votes Sennheiser HD 660S2
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Indicates if headphones support Sony’s LDAC codec.
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Sennheiser HD 660S2 USB Audio Support
Do the headphones support USB audio?
No 0Votes Sennheiser HD 660S2
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Indicates if headphones can be used for audio via USB.
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Sennheiser HD 660S2 Low Latency Support
Do the headphones support low latency mode?
No 0Votes Sennheiser HD 660S2
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Indicates if headphones reduce latency for gaming and video sync.
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Sennheiser HD 660S2 Operating System Compatibility
What operating systems are supported?
0 Sennheiser HD 660S2 0 Votes Windows, MacOS, Android, iOS, Linux
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Operating systems the headphones work with.
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Controls & Features 16
Sennheiser HD 660S2 On Device Controls
Do the headphones have on-device controls?
No 0Votes Sennheiser HD 660S2
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Indicates if headphones have physical or touch controls on the unit.
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Sennheiser HD 660S2 Track Skipping Controls
Do the headphones support track skipping?
No 0Votes Sennheiser HD 660S2
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Indicates if users can skip tracks directly on the headphones.
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Sennheiser HD 660S2 Volume Limiter
Do the headphones have a volume limiter?
No 0Votes Sennheiser HD 660S2
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Allows setting a maximum volume for hearing protection.
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Sennheiser HD 660S2 Call Answer Controls
Do the headphones support call answering on-device?
No 0Votes Sennheiser HD 660S2
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Indicates if calls can be answered using headphone controls.
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Sennheiser HD 660S2 Gesture Controls
Do the headphones support gesture controls?
No 0Votes Sennheiser HD 660S2
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Indicates if gestures like swipe or tap are supported.
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Sennheiser HD 660S2 Touch Sensitivity Adjustment
Do the headphones allow touch sensitivity adjustment?
No 0Votes Sennheiser HD 660S2
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Indicates if touch control sensitivity can be adjusted.
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Sennheiser HD 660S2 Programmable Buttons
Do the headphones have programmable buttons?
No 0Votes Sennheiser HD 660S2
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Allows users to assign functions to buttons.
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Sennheiser HD 660S2 Control Lock Mode
Do the headphones have control lock mode?
No 0Votes Sennheiser HD 660S2
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Prevents accidental input when controls are touched.
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Sennheiser HD 660S2 Auto Pause Play
Do the headphones auto-pause and play?
No 0Votes Sennheiser HD 660S2
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Automatically pauses when removed and resumes when worn.
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Sennheiser HD 660S2 Customizable EQ
Do the headphones support customizable EQ?
No 0Votes Sennheiser HD 660S2
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Indicates if sound signature can be customized via equalizer.
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Sennheiser HD 660S2 App Support
Do the headphones have app support?
No 0Votes Sennheiser HD 660S2
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Indicates if headphones have a companion app.
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Sennheiser HD 660S2 Control Customization In App
Can controls be customized in the app?
No 0Votes Sennheiser HD 660S2
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Ability to change control functions via app.
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Sennheiser HD 660S2 Voice Assistant Support
Do the headphones support voice assistants?
No 0Votes Sennheiser HD 660S2
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Indicates support for Google Assistant, Siri, Alexa, etc.
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Sennheiser HD 660S2 Ambient Sound Mode
Do the headphones have ambient sound mode?
No 0Votes Sennheiser HD 660S2
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Lets outside sounds in for awareness.
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Sennheiser HD 660S2 Transparency Mode
Do the headphones have transparency mode?
No 0Votes Sennheiser HD 660S2
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Enhanced version of ambient sound mode for clarity.
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Sennheiser HD 660S2 Low Latency Mode
Do the headphones support low latency mode?
No 0Votes Sennheiser HD 660S2
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Reduces delay for gaming or video sync.
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Microphone & Calling 8
Sennheiser HD 660S2 Built In Microphone
Do the headphones have a built-in microphone?
No 0Votes Sennheiser HD 660S2
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Indicates if the headphones have a built-in microphone.
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Sennheiser HD 660S2 Detachable Boom Mic
Do the headphones have a detachable boom mic?
No 0Votes Sennheiser HD 660S2
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Indicates if headphones support a detachable boom mic.
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Sennheiser HD 660S2 Noise Cancelling Microphone
Is the microphone noise cancelling?
No 0Votes Sennheiser HD 660S2
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Indicates if microphone has active noise cancelling.
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Sennheiser HD 660S2 Beamforming Microphone
Does the microphone support beamforming?
No 0Votes Sennheiser HD 660S2
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Uses multiple mics to focus on voice direction.
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Sennheiser HD 660S2 Echo Cancellation
Do the headphones support echo cancellation?
No 0Votes Sennheiser HD 660S2
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Reduces echo during calls.
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Sennheiser HD 660S2 Wind Noise Reduction
Do the headphones reduce wind noise?
No 0Votes Sennheiser HD 660S2
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Minimizes wind interference during outdoor use.
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Sennheiser HD 660S2 Mute Button
Do the headphones have a mute button?
No 0Votes Sennheiser HD 660S2
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Indicates if there is a dedicated mute control.
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Sennheiser HD 660S2 Microphone Placement Adjustment
Can the microphone placement be adjusted?
No 0Votes Sennheiser HD 660S2
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Indicates if the microphone position can be adjusted.
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Noise Control 9
Sennheiser HD 660S2 Passive Seal Quality
What is the passive seal quality?
0 Sennheiser HD 660S2 0 Votes Good
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Sennheiser HD 660S2
The passive seal quality is rated good, which helps reduce ambient noise without active noise cancellation technology.
Quality of physical seal for blocking noise.
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Sennheiser HD 660S2 Passive Noise Isolation
Do the headphones provide passive noise isolation?
Yes 0Votes Sennheiser HD 660S2
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Sennheiser HD 660S2
The headphones provide passive noise isolation, enhancing listening experience by naturally blocking external noise via the ear cup design.
Physical sealing and padding to block noise.
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Sennheiser HD 660S2 Active Noise Cancellation
Do the headphones support active noise cancellation?
No 0Votes Sennheiser HD 660S2
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Indicates if the headphones have ANC technology.
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Sennheiser HD 660S2 ANC Level Adjustment
Can ANC levels be adjusted?
No 0Votes Sennheiser HD 660S2
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Whether ANC intensity can be adjusted.
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Sennheiser HD 660S2 Transparency Mode Level Adjustment
Can transparency levels be adjusted?
No 0Votes Sennheiser HD 660S2
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Allows adjustment of transparency mode strength.
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Sennheiser HD 660S2 Adaptive Sound Control
Do the headphones feature adaptive sound control?
No 0Votes Sennheiser HD 660S2
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Automatically adjusts noise control based on environment.
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Sennheiser HD 660S2 Automatic ANC Adjustment
Does ANC adjust automatically?
No 0Votes Sennheiser HD 660S2
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ANC adjusts automatically without user input.
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Sennheiser HD 660S2 Ambient Noise Detection
Do the headphones detect ambient noise?
No 0Votes Sennheiser HD 660S2
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Sensors detect surrounding noise levels.
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Sennheiser HD 660S2 Wind Noise Reduction For ANC
Does ANC reduce wind noise?
No 0Votes Sennheiser HD 660S2
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Reduces wind interference in ANC mode.
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Battery & Power 6
Sennheiser HD 660S2 Replaceable Battery
Is the battery replaceable?
No 0Votes Sennheiser HD 660S2
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Indicates if the battery can be replaced.
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Sennheiser HD 660S2 Quick Charge Support
Does it support quick charging?
No 0Votes Sennheiser HD 660S2
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Whether quick charge is supported.
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Sennheiser HD 660S2 Wireless Charging Support
Does it support wireless charging?
No 0Votes Sennheiser HD 660S2
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Supports wireless charging.
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Sennheiser HD 660S2 Overcharge Protection
Does it have overcharge protection?
No 0Votes Sennheiser HD 660S2
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Protects battery from overcharging.
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Sennheiser HD 660S2 Power Saving Mode
Does it have a power saving mode?
No 0Votes Sennheiser HD 660S2
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Extends battery life by reducing power use.
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Sennheiser HD 660S2 Battery Indicator
Does it have a battery indicator?
No 0Votes Sennheiser HD 660S2
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Shows battery level on device.
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Smart & Extra Features 16
Sennheiser HD 660S2 Hi Res Audio Certification
Is it Hi-Res certified?
Yes 0Votes Sennheiser HD 660S2
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Sennheiser HD 660S2
This headphone model has Hi-Res Audio Certification, ensuring it can reproduce high-resolution audio files with superior sound quality.
Shows if headphones meet Hi-Res audio standards.
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Sennheiser HD 660S2 Gaming Mode Optimization
Is there a gaming optimization mode?
No 0Votes Sennheiser HD 660S2
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No gaming mode optimization is present, indicating these headphones do not have specialized features tailored specifically for gaming use.
Special low-latency mode for gaming.
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Sennheiser HD 660S2 AI Upscaling Audio
Does it feature AI audio upscaling?
No 0Votes Sennheiser HD 660S2
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Enhances lower-quality audio using AI algorithms.
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Sennheiser HD 660S2 Head Tracking For Spatial Audio
Does it support head tracking for spatial audio?
No 0Votes Sennheiser HD 660S2
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Supports dynamic spatial audio through head tracking.
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Sennheiser HD 660S2 Dolby Atmos Support
Is Dolby Atmos supported?
No 0Votes Sennheiser HD 660S2
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Indicates Dolby Atmos surround compatibility.
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Sennheiser HD 660S2 Custom Sound Profiles
Can you create custom sound profiles?
No 0Votes Sennheiser HD 660S2
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Allows personalized sound settings.
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Sennheiser HD 660S2 Learning EQ Adaptation
Does it adapt EQ through learning?
No 0Votes Sennheiser HD 660S2
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AI adjusts EQ over time based on listening habits.
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Sennheiser HD 660S2 Hearing Protection Mode
Does it include hearing protection mode?
No 0Votes Sennheiser HD 660S2
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Limits volume peaks to protect hearing.
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Sennheiser HD 660S2 Sleep Tracking
Does it track sleep?
No 0Votes Sennheiser HD 660S2
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Tracks sleep patterns while wearing headphones.
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Sennheiser HD 660S2 Sleep Mode Timer
Does it have a sleep mode timer?
No 0Votes Sennheiser HD 660S2
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Timer to automatically power off during sleep.
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Sennheiser HD 660S2 Multi Device Sync
Does it support multi-device sync?
No 0Votes Sennheiser HD 660S2
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Connects to multiple devices simultaneously.
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Sennheiser HD 660S2 Auto Device Switching
Does it support auto device switching?
No 0Votes Sennheiser HD 660S2
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Seamlessly switches between connected devices.
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Sennheiser HD 660S2 Find My Device Support
Does it support Find My Device?
No 0Votes Sennheiser HD 660S2
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Supports location tracking for lost headphones.
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Sennheiser HD 660S2 Firmware Update Support
Can the firmware be updated?
No 0Votes Sennheiser HD 660S2
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Indicates ability to update software for improvements.
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Sennheiser HD 660S2 Voice Recognition Personalization
Does it support voice recognition personalization?
No 0Votes Sennheiser HD 660S2
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Learns and adapts to user’s voice commands.
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Sennheiser HD 660S2 Integrated Storage For Cable
Does it have cable storage?
No 0Votes Sennheiser HD 660S2
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Provides onboard storage for detachable cables.
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Accessories 14
Sennheiser HD 660S2 Carrying Case Type
What type of carrying case is included?
0 Sennheiser HD 660S2 0 Votes Hard Case
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Sennheiser HD 660S2
This carrying case offers strong protection against impacts and helps keep the headphones safe when not in use or during travel.
The type of carrying case included.
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Sennheiser HD 660S2 Carry Case
Is a carry case included?
Yes 0Votes Sennheiser HD 660S2
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Whether a carry case is bundled with the headphones.
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Sennheiser HD 660S2 Protective Pouch
Is a protective pouch included?
No 0Votes Sennheiser HD 660S2
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Indicates if a protective pouch is included.
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Sennheiser HD 660S2 Extra Ear Tips
Are extra ear tips included?
No 0Votes Sennheiser HD 660S2
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Indicates if extra ear tips are provided.
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Sennheiser HD 660S2 Extra Earpads
Are extra earpads included?
No 0Votes Sennheiser HD 660S2
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Indicates if spare earpads are provided.
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Sennheiser HD 660S2 Audio Cable
Is an audio cable included?
Yes 0Votes Sennheiser HD 660S2
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Indicates if an audio cable is provided.
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Sennheiser HD 660S2 Charging Cable
Is a charging cable included?
No 0Votes Sennheiser HD 660S2
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Indicates if a charging cable is provided.
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Sennheiser HD 660S2 Cable Adapter
Is a cable adapter included?
Yes 0Votes Sennheiser HD 660S2
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Indicates if a cable adapter is provided.
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Sennheiser HD 660S2 Airplane Adapter
Is an airplane adapter included?
No 0Votes Sennheiser HD 660S2
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Indicates if an airplane adapter is included.
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Sennheiser HD 660S2 Cable Clip
Is a cable clip included?
No 0Votes Sennheiser HD 660S2
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Indicates if a cable clip is provided.
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Sennheiser HD 660S2 Cleaning Tool
Is a cleaning tool included?
No 0Votes Sennheiser HD 660S2
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Indicates if a cleaning tool is provided.
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Sennheiser HD 660S2 User Manual
Is a user manual included?
Yes 0Votes Sennheiser HD 660S2
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Indicates if a user manual is provided.
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Sennheiser HD 660S2 Warranty Card
Is a warranty card included?
Yes 0Votes Sennheiser HD 660S2
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Indicates if a warranty card is provided.
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Sennheiser HD 660S2 Branding Stickers
Are branding stickers included?
No 0Votes Sennheiser HD 660S2
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Indicates if branding stickers are provided.
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Surveys
Because hot takes deserve votes.
Sennheiser HD 660S2 Sound Quality
How would you rate the overall sound quality of these headphones?
Excellent — Clear, balanced, and immersive sound 0Votes
Very good — Great clarity with rich tones 0Votes
Decent — Clear mids but limited depth 0Votes
Average — Lacks detail or balance 0Votes
Poor — Muffled or distorted sound 0Votes
Sennheiser HD 660S2 Bass Performance
How strong and accurate is the bass performance on these headphones?
Powerful — Deep and clean low-end 0Votes
Strong — Noticeable and satisfying bass 0Votes
Balanced — Good mix of lows and highs 0Votes
Weak — Light or flat bass response 0Votes
Poor — No real bass presence 0Votes
Sennheiser HD 660S2 Comfort and Fit
How comfortable do these headphones feel during long listening sessions?
Extremely comfortable — Feels weightless for hours 0Votes
Comfortable — Slight pressure after long use 0Votes
Average — Fine for short periods 0Votes
Tight — Uncomfortable after an hour or two 0Votes
Unpleasant — Difficult to wear for long 0Votes
Sennheiser HD 660S2 Noise Cancellation
How effective is the noise cancellation feature on these headphones?
Excellent — Blocks over 90% of external noise 0Votes
Good — Reduces most background sounds 0Votes
Fair — Works in moderate noise only 0Votes
Weak — Minimal difference noticed 0Votes
Poor — Hardly blocks any noise 0Votes
Sennheiser HD 660S2 Battery Life
How long does the battery last on a full charge?
Excellent — Over 40 hours 0Votes
Good — 30 to 40 hours 0Votes
Average — 20 to 30 hours 0Votes
Short — 10 to 20 hours 0Votes
Very short — Under 10 hours 0Votes
Sennheiser HD 660S2 Build Quality and Durability
How durable and sturdy do these headphones feel?
Very durable — Lasts over 5 years 0Votes
Solid — Feels high-quality and strong 0Votes
Decent — Works fine but not rugged 0Votes
Weak — Shows wear within a year 0Votes
Fragile — Breaks or cracks easily 0Votes
Sennheiser HD 660S2 Connectivity
How smooth and reliable is the Bluetooth or wired connection of these headphones?
Excellent — Connects instantly, never drops 0Votes
Good — Stable with rare issues 0Votes
Decent — Occasional lag or delay 0Votes
Weak — Disconnects sometimes 0Votes
Poor — Frequently loses connection 0Votes
Sennheiser HD 660S2 Design and Style
How stylish and appealing do these headphones look?
Very stylish — Modern and premium design 0Votes
Attractive — Clean and sleek look 0Votes
Decent — Looks fine but simple 0Votes
Basic — Functional but plain 0Votes
Unappealing — Bulky or outdated design 0Votes
Sennheiser HD 660S2 Portability
How easy is it to carry and store these headphones when not in use?
Very portable — Folds compactly and lightweight 0Votes
Easy to carry — Compact with carrying case 0Votes
Manageable — Moderate size and weight 0Votes
Bulky — Hard to pack in small bags 0Votes
Very bulky — Difficult to travel with 0Votes
Sennheiser HD 660S2 Pricing
How would you describe the price of these headphones for their sound and features?
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