Name: HD668B
Brand: Superlux
SKU: 12656
Rating: 3.9 (60 reviews)

4.0

based on all reviews

The bass is quick and has good (superb) impact
treble is perfectly fine and it will make the headphone sound more neutral
The comfort and build is impeccable

It may not display this or other websites correctly
the cable seems flimsy and made of poor quality
treble is tilted and a bit rough but

Impedance: 56 Ω
Sensitivity: 98 dB
Frequency range: 10, 30000 Hz
Acoustic design: Half opened
Sound output: Stereo
Style: Over-Ear

Superlux HD668B - Pros & Cons

The bass is quick and has good (superb) impact
treble is perfectly fine and it will make the headphone sound more neutral
The comfort and build is impeccable
smoother and has a fuller midrange
The bass is great and the level of transparency and detail trumps
sound is very good for the price
great with its open and spacious sound
priced and good performance
Fiio E11 is better
Clarity is quite amazing for its price
it makes a very good starter headphone
Fit and comfort is good enough and spatial effects very satisfying
now good tonality and much deeper bass provided a very
The mids and highs are clear and crisp
the mid-highs are much smoother and less energetic
signature is balanced
crisp
and neutral in tone
sound and construction quality
Polished Performer
The HD 681 are also much more comfortable
competitive price and best quality
HD668B is very well-made
are very good and also very smooth sounding
they are comfortable
Detachable cables offer convenience in terms of portability
optimized mechanical pressure and long-lasting durability
semi-open design gives them a unique appearance and performance
They are robust and with a great level of comfort
HD668B features a lightweight design
some headphones are more pleasant and enjoyable than others
durable and sturdy construction that makes
incredible aesthetics and wonderful designs
Both upper mids and lower mids are well detailed

It may not display this or other websites correctly
the cable seems flimsy and made of poor quality
treble is tilted and a bit rough but
treble can sound really harsh on some tracks like
HD 668B fair as far as the mainstream consumer product competition
low price that it is
is pretty bad
the cable can not be replaced
The treble is a bit harsh
The clamping force is a bit too much
woeful quality of UIs in audio gear
is not for the treble-sensitive as it does tend to be quite shimmery
a bit bulky and cumbersome to carry around
too bulky and cumbersome to be portable
lack thump and rumble
No cherry-picked units sent by brands
Low-treble and treble are a bit inconsistent
The cups are a bit too shallow to compete with my AKG
is moderately sparkly and tends to sound a touch cold
It s a bit too much for me
The sound signature is significantly warmer with more mid body
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there is no Superlux distributor in Singapore
quite expensive
the headphones are not yet burnt in
The headphones are somehow lacking in their overall function
Pink noise is present
but no harsh sound
Sound isolationSound isolation is not effective in open-back headphones
The Samson is a bit louder

Superlux HD668B - Technical Overview

	Poor	Average	Good	Excellent
Impedance	56 Ω Best: Stax SR-L500 Impedance: 145000 Ω
Weight	222 g Best: Cyber Acoustics ACM-7002 Weight: 0.11 g

Superlux - Video Reviews (9)

Superlux HD668B Review - The Best Budget Headphones?

Superlux HD668B - Full Specifications

Sound output	Stereo
Style	Over-Ear
Magnet material	Neodymium

Weight	7.83 oz

Inputs supported	3.5mm
Cable length	3
Detachable cable	yes

Colour of product	Black
Acoustic design	Half opened
Category	Studio

Impedance	56.0 Ω
Sensitivity	98.0 dB
Frequency range	10 - 30000
Total harmonic distortion (THD)	0.3 %

Superlux HD668B - Q&A

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Superlux HD668B Superlux - Editorial Reviews (3)

4.1

Based on 3 reviews

The Headphone List

Published: 09.06.2014

Superlux HD668B Review | The Headphone List

The Superlux HD668B is an incredible performer for those who put resolution and clarity above all else.

Superlux HD668B Superlux HD 668B: A Giant Killer?

Headfonia Reviews

Published: 15.02.2010

Superlux HD 668B: A Giant Killer?

Superlux HD 668B: Review by Headfonia - The Headphone Enthusiast's Website

RTINGS.com

Published: 26.05.2017

Superlux HD 668B Review

4.1

The Superlux HD 668B are great-sounding and affordable critical listening headphones. They let in a lot of ambient noise and leak enough to be distracting to tho...