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Superlux HD668B Facts: 155 Specifications & 61 Highlights

Before you commit to the Superlux HD668B headphone, check out these 155 specs & features — especially top-voted ones like general information, dimensions & weight, materials & build & audio performance from the Soundfindr community.

45 Points
Superlux HD668B

Highlights 61

No extras. Just what matters.
45 Points

Why is Superlux HD668B better than other headphones ?

General Information

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Dimensions & Weight

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Materials & Build

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Audio Performance

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Connectivity & Compatibility

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Controls & Features

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Noise Control

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Accessories

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Comparisons 1

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Quick Take

The essentials that matter—nothing extra

A fast snapshot of the Superlux HD668B, covering its standout specification and what you can expect right out of the box.

Superlux HD668B
Superlux HD668B

Superlux HD 668B is a semi‑open over‑ear headphone designed for balanced and detailed sound that suits both casual listening and studio monitoring. Its semi‑open design and 50 mm dynamic drivers deliver clear mids and highs with punchy bass, making music feel wide and engaging. With a lightweight build and detachable cables, it's comfortable for extended use and versatile across different audio sources.

Specifications & Facts 155

Specs measured. Drama avoided.

Looking to upgrade? Check the Superlux HD668B headphone with full details: price, 155 features, pros and cons, and how it stacks up vs top headphones.

General Information 18

Superlux HD668B Model Number

What is the model number?

57 Superlux HD668B 0 Votes HD668B

13 Headphones in this range TAA7306

Superlux HD668B
Superlux HD668B

The official model number is HD668B, matching the series name.

Unique model identifier assigned by manufacturer.

Superlux HD668B Form Factor

What is the form factor?

12 Superlux HD668B 0 Votes Wired

6 Headphones in this range Wired

Superlux HD668B
Superlux HD668B

This model is a wired headphone, meaning it connects to audio sources via cable instead of Bluetooth or wireless technologies.

The main physical form factor.

Superlux HD668B Series Name

What series is it part of?

35 Superlux HD668B 0 Votes HD 668B

16 Headphones in this range Arctis Nova

Superlux HD668B
Superlux HD668B

This product belongs to the HD 668B series by Superlux, known for budget-friendly semi-open headphones.

The series or family line the headphones belong to.

Superlux HD668B Release Year

What is the release year?

12 Superlux HD668B 0 Votes 2011

13 Headphones in this range 2025

Superlux HD668B
Superlux HD668B

The Superlux HD 668B was released in the year 2011, making it a longstanding model appreciated for its performance.

Year the headphones were first released.

Superlux HD668B Country of Origin

What is the country of origin?

62 Superlux HD668B 0 Votes China

12 Headphones in this range China

Superlux HD668B
Superlux HD668B

Manufactured in China, a common origin for many consumer electronics.

Country where the product was designed or manufactured.

Superlux HD668B Replaceable Earpads

Are the earpads replaceable?

Yes 0Votes Superlux HD668B

Yes Headphones in this range

Superlux HD668B
Superlux HD668B

Replaceable earpads allow users to swap out the cushions for better comfort or when the originals wear out.

Indicates if ear pads can be replaced.

Dimensions & Weight 16

Superlux HD668B Weight

What is the headphone weight?

0.49 lbs 0Votes
Superlux HD668B
0.6 lbs (Average)

Superlux HD668B
Superlux HD668B

The headphones weigh approximately 0.4875 lbs (0.221 kg), which is lightweight for comfort during extended use.

Overall headphone weight without packaging.

Superlux HD668B Cable Length

What is the cable length?

3 ft 0Votes
Superlux HD668B
5.04 ft (Average)

Superlux HD668B
Superlux HD668B

The cable length is 3 ft (0.91 m), suitable for typical use scenarios close to audio sources like computers or audio interfaces.

Length of the audio cable for wired use.

Superlux HD668B Width

What is the width of the headphones?

7.87 inch 0Votes
Superlux HD668B
6.2 inch (Average)

Superlux HD668B
Superlux HD668B

The width of the headphones is 7.87 inch (20.00 cm), providing a spacious ear cup size.

Overall horizontal measurement of the headphones.

Superlux HD668B Package Width

What is the package width?

9.84 inch 0Votes
Superlux HD668B
8.3 inch (Average)

Superlux HD668B
Superlux HD668B

The package width is 9.84 inch (25.00 cm), giving an idea of the product's retail packaging size.

Width of the retail package.

Superlux HD668B Package Height

What is the package height?

3.94 inch 0Votes
Superlux HD668B
7.51 inch (Average)

Superlux HD668B
Superlux HD668B

The package height is 3.94 inch (10.00 cm), indicating the thickness of the product packaging.

Height of the retail package.

Superlux HD668B Package Weight

What is the package weight?

1.32 lbs 0Votes
Superlux HD668B
1.1 lbs (Average)

Superlux HD668B
Superlux HD668B

The package weight is 1.32 lbs (0.60 kg), which may be useful for shipping and handling considerations.

Total weight including packaging.

Materials & Build 16

Superlux HD668B Material

What is the main material of the headphones?

62 Superlux HD668B 0 Votes Plastic

12 Headphones in this range Plastic

Primary construction material of the headphones.

Superlux HD668B Ear Cushion Material

What is the ear cushion material?

42 Superlux HD668B 0 Votes Leather

11 Headphones in this range Leather

Material of ear cushions that affects comfort and breathability.

Superlux HD668B Sweat Resistance

Are the headphones sweat resistant?

No 0Votes Superlux HD668B

Yes Headphones in this range

Indicates whether headphones resist sweat damage.

Superlux HD668B Color Options

What are the color options?

62 Superlux HD668B 0 Votes Black

12 Headphones in this range Black

Available colors for the headphones.

Superlux HD668B Headband Padding Material

What is the headband padding material?

32 Superlux HD668B 0 Votes Foam

8 Headphones in this range Foam

Padding type used in the headband.

Superlux HD668B Hinges Material

What is the hinge material?

32 Superlux HD668B 0 Votes Plastic

7 Headphones in this range Plastic

Material used for the folding hinges.

Audio Performance 21

Superlux HD668B Impedance

What is the impedance?

56 ohm 0Votes
Superlux HD668B
31.98 ohm (Average)

Superlux HD668B
Superlux HD668B

The headphones have an impedance of 56 ohms, which is moderate and compatible with most consumer audio devices.

Electrical resistance of headphones.

Superlux HD668B Sensitivity

What is the sensitivity?

98 dB 0Votes
Superlux HD668B
97.9 dB (Average)

Superlux HD668B
Superlux HD668B

The sensitivity is 98 dB, a level adequate for loud and clear sound output with most audio devices.

Loudness produced per given input power.

Superlux HD668B High Frequency Response

What is the highest frequency response?

20,000 Hz 0Votes
Superlux HD668B
21,912.6 Hz (Average)

Superlux HD668B
Superlux HD668B

The high-frequency response extends up to 20,000 Hz, covering the full range of human hearing and ensuring crisp treble sounds.

Highest audible frequency reproduced.

Superlux HD668B Total Harmonic Distortion

What is the THD?

0.3 % 0Votes
Superlux HD668B
1.91 % (Average)

Superlux HD668B
Superlux HD668B

Total harmonic distortion is low at 0.3%, contributing to clean sound quality.

Distortion in audio output.

Superlux HD668B Dynamic Range

What is the dynamic range?

95 dB 0Votes
Superlux HD668B
90.84 dB (Average)

Superlux HD668B
Superlux HD668B

Dynamic range is 95 dB, suitable for a broad range of audio dynamics from quiet to loud passages.

Range between softest and loudest sounds.

Superlux HD668B Crosstalk

What is the crosstalk value?

30 dB 0Votes
Superlux HD668B
6.25 dB (Average)

Superlux HD668B
Superlux HD668B

A crosstalk value of 30 dB indicates good channel separation, enhancing stereo sound experience.

Amount of signal leakage between channels.

Connectivity & Compatibility 14

Superlux HD668B Connection Type

What is the connection type?

12 Superlux HD668B 0 Votes Wired

6 Headphones in this range Wired

Superlux HD668B
Superlux HD668B

Connection is exclusively wired, which is common for studio and budget audiophile headphones for stable and high-fidelity audio.

Defines whether headphones connect via cable, wireless, or both.

Superlux HD668B Detachable Cable Connector Type

What detachable cable connector is used?

26 Superlux HD668B 0 Votes 3.5mm

6 Headphones in this range 3.5mm

Superlux HD668B
Superlux HD668B

The detachable cable uses a standard 3.5mm connector, compatible with most devices including smartphones and computers.

Connector type used for detachable cables.

Superlux HD668B Connector Plug Type

What is the connector plug type?

22 Superlux HD668B 0 Votes 3.5mm

6 Headphones in this range 3.5mm

Type of physical connector for wired use.

Superlux HD668B Wired Connector Gold Plated

Are the wired connectors gold-plated?

Yes 0Votes Superlux HD668B

Yes Headphones in this range

Indicates if wired connectors are gold-plated for durability.

Superlux HD668B Wired Mode Support

Do the headphones support wired mode?

Yes 0Votes Superlux HD668B

Yes Headphones in this range

Indicates if headphones can also be used in wired mode.

Superlux HD668B NFC Pairing

Do the headphones support NFC pairing?

No 0Votes Superlux HD668B

Yes Headphones in this range

Allows one-tap NFC device pairing.

Controls & Features 17

Superlux HD668B On Device Controls

Do the headphones have on-device controls?

No 0Votes Superlux HD668B

Yes Headphones in this range

Indicates if headphones have physical or touch controls on the unit.

Superlux HD668B Track Skipping Controls

Do the headphones support track skipping?

No 0Votes Superlux HD668B

Yes Headphones in this range

Indicates if users can skip tracks directly on the headphones.

Superlux HD668B Volume Limiter

Do the headphones have a volume limiter?

No 0Votes Superlux HD668B

Yes Headphones in this range

Allows setting a maximum volume for hearing protection.

Superlux HD668B Call Answer Controls

Do the headphones support call answering on-device?

No 0Votes Superlux HD668B

Yes Headphones in this range

Indicates if calls can be answered using headphone controls.

Superlux HD668B Gesture Controls

Do the headphones support gesture controls?

No 0Votes Superlux HD668B

Yes Headphones in this range

Indicates if gestures like swipe or tap are supported.

Superlux HD668B Touch Sensitivity Adjustment

Do the headphones allow touch sensitivity adjustment?

No 0Votes Superlux HD668B

Yes Headphones in this range

Indicates if touch control sensitivity can be adjusted.

Microphone & Calling 8

Superlux HD668B Built In Microphone

Do the headphones have a built-in microphone?

No 0Votes Superlux HD668B

Yes Headphones in this range

Indicates if the headphones have a built-in microphone.

Superlux HD668B Detachable Boom Mic

Do the headphones have a detachable boom mic?

No 0Votes Superlux HD668B

Yes Headphones in this range

Indicates if headphones support a detachable boom mic.

Superlux HD668B Noise Cancelling Microphone

Is the microphone noise cancelling?

No 0Votes Superlux HD668B

Yes Headphones in this range

Indicates if microphone has active noise cancelling.

Superlux HD668B Beamforming Microphone

Does the microphone support beamforming?

No 0Votes Superlux HD668B

Yes Headphones in this range

Uses multiple mics to focus on voice direction.

Superlux HD668B Echo Cancellation

Do the headphones support echo cancellation?

No 0Votes Superlux HD668B

Yes Headphones in this range

Reduces echo during calls.

Superlux HD668B Wind Noise Reduction

Do the headphones reduce wind noise?

No 0Votes Superlux HD668B

Yes Headphones in this range

Minimizes wind interference during outdoor use.

Noise Control 9

Superlux HD668B Passive Noise Isolation

Do the headphones provide passive noise isolation?

Yes 0Votes Superlux HD668B

Yes Headphones in this range

Superlux HD668B
Superlux HD668B

Passive noise isolation is provided, reducing ambient noise mechanically by the ear pads without active processing.

Physical sealing and padding to block noise.

Superlux HD668B Passive Seal Quality

What is the passive seal quality?

52 Superlux HD668B 0 Votes Good

10 Headphones in this range Good

Superlux HD668B
Superlux HD668B

The passive seal quality is rated as good, indicating effective noise blocking from external sources.

Quality of physical seal for blocking noise.

Superlux HD668B Active Noise Cancellation

Do the headphones support active noise cancellation?

No 0Votes Superlux HD668B

Yes Headphones in this range

Indicates if the headphones have ANC technology.

Superlux HD668B ANC Level Adjustment

Can ANC levels be adjusted?

No 0Votes Superlux HD668B

Yes Headphones in this range

Whether ANC intensity can be adjusted.

Superlux HD668B Transparency Mode Level Adjustment

Can transparency levels be adjusted?

No 0Votes Superlux HD668B

Yes Headphones in this range

Allows adjustment of transparency mode strength.

Superlux HD668B Adaptive Sound Control

Do the headphones feature adaptive sound control?

No 0Votes Superlux HD668B

Yes Headphones in this range

Automatically adjusts noise control based on environment.

Battery & Power 6

Superlux HD668B Replaceable Battery

Is the battery replaceable?

No 0Votes Superlux HD668B

Yes Headphones in this range

Indicates if the battery can be replaced.

Superlux HD668B Quick Charge Support

Does it support quick charging?

No 0Votes Superlux HD668B

Yes Headphones in this range

Whether quick charge is supported.

Superlux HD668B Wireless Charging Support

Does it support wireless charging?

No 0Votes Superlux HD668B

Yes Headphones in this range

Supports wireless charging.

Superlux HD668B Overcharge Protection

Does it have overcharge protection?

No 0Votes Superlux HD668B

Yes Headphones in this range

Protects battery from overcharging.

Superlux HD668B Power Saving Mode

Does it have a power saving mode?

No 0Votes Superlux HD668B

Yes Headphones in this range

Extends battery life by reducing power use.

Superlux HD668B Battery Indicator

Does it have a battery indicator?

No 0Votes Superlux HD668B

Yes Headphones in this range

Shows battery level on device.

Smart & Extra Features 16

Superlux HD668B AI Upscaling Audio

Does it feature AI audio upscaling?

No 0Votes Superlux HD668B

Yes Headphones in this range

Enhances lower-quality audio using AI algorithms.

Superlux HD668B Head Tracking For Spatial Audio

Does it support head tracking for spatial audio?

No 0Votes Superlux HD668B

Yes Headphones in this range

Supports dynamic spatial audio through head tracking.

Superlux HD668B Dolby Atmos Support

Is Dolby Atmos supported?

No 0Votes Superlux HD668B

Yes Headphones in this range

Indicates Dolby Atmos surround compatibility.

Superlux HD668B Hi Res Audio Certification

Is it Hi-Res certified?

No 0Votes Superlux HD668B

Yes Headphones in this range

Shows if headphones meet Hi-Res audio standards.

Superlux HD668B Custom Sound Profiles

Can you create custom sound profiles?

No 0Votes Superlux HD668B

Yes Headphones in this range

Allows personalized sound settings.

Superlux HD668B Learning EQ Adaptation

Does it adapt EQ through learning?

No 0Votes Superlux HD668B

Yes Headphones in this range

AI adjusts EQ over time based on listening habits.

Accessories 14

Superlux HD668B Extra Earpads

Are extra earpads included?

Yes 0Votes Superlux HD668B

Yes Headphones in this range

Superlux HD668B
Superlux HD668B

Extra earpads are provided, allowing users to replace worn cushions and extend the product’s lifespan.

Indicates if spare earpads are provided.

Superlux HD668B Audio Cable

Is an audio cable included?

Yes 0Votes Superlux HD668B

Yes Headphones in this range

Superlux HD668B
Superlux HD668B

An audio cable is included, enabling immediate use out of the box.

Indicates if an audio cable is provided.

Superlux HD668B Warranty Card

Is a warranty card included?

Yes 0Votes Superlux HD668B

Yes Headphones in this range

Superlux HD668B
Superlux HD668B

A warranty card is included with the product. This provides proof of purchase and warranty coverage for consumer protection.

Indicates if a warranty card is provided.

Superlux HD668B Carry Case

Is a carry case included?

No 0Votes Superlux HD668B

Yes Headphones in this range

Whether a carry case is bundled with the headphones.

Superlux HD668B Carrying Case Type

What type of carrying case is included?

0 Superlux HD668B 0 Votes None

3 Headphones in this range None

The type of carrying case included.

Superlux HD668B Protective Pouch

Is a protective pouch included?

No 0Votes Superlux HD668B

Yes Headphones in this range

Indicates if a protective pouch is included.

Surveys

Because hot takes deserve votes.

Superlux HD668B 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

Superlux HD668B 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

Superlux HD668B 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

Superlux HD668B 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

Superlux HD668B 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

Superlux HD668B 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

Superlux HD668B 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

Superlux HD668B 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

Superlux HD668B 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

Superlux HD668B Pricing

How would you describe the price of these headphones for their sound and features?

Great value for money 0Votes
Pretty good price 0Votes
Fair deal 0Votes
Kinda pricey 0Votes
Crazy expensive 0Votes

Guides 1

Yes, we brought proof.

Files 1

Superlux HD 668B Manual (PDF)

com.tw
com.tw

Reviews 0

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Average Rating

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Superlux HD668B
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