Name: HD668
Brand: Superlux
SKU: 70326
Rating: 4.3 (42 reviews)

4.2

based on all reviews

sound and construction quality
the mid-highs are much smoother and less energetic
Polished Performer

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quite expensive
the headphones are not yet burnt in

Impedance: 56 Ω
Frequency range: 10, 30000 Hz
Acoustic design: Half opened
Sound output: Stereo
Style: Over-Ear
Connectivity technology: Wired

Superlux HD668 - Pros & Cons

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

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

Superlux HD668 - Technical Overview

	Poor	Average	Good	Excellent
Driver size	50 mm Best: Hauppauge XFones Driver size: 400 mm
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 - Cheap Studio Monitors

AUDIOPHILE QUALITY FOR $50! : Superlux HD668B Headphones

Superlux HD668B Studio Headphones SPL dB test + review

Superlux HD668 - Full Specifications

Sound output	Stereo
Style	Over-Ear
Connectivity technology	Wired
Headset (integrated/enclosed microphone)	no
Magnet material	Neodymium

Width	7.4 in
Depth	4.17 in
Height	7.87 in
Weight	7.83 oz

Cable length	3
3.5 mm/6.3 mm adapter included	yes
Type of connector	3.5mm
USB	no
Detachable cable	yes

Colour of product	Black
Acoustic design	Half opened
Attachment type	Headband
Connector contacts plating	Gold

Impedance	56.0 Ω
Frequency range	10 - 30000
Driver technology	Dynamic
Driver size	1.97 in

Battery operated	no
Power handling capacity	300.0 mW

Superlux HD668 - Q&A

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Superlux HD668 Superlux - Editorial Reviews (4)

4.1

Based on 4 reviews

Reviewed Cameras

Published: 05.03.2013

Superlux HD668B Review

On a budget, you'd be hard-pressed to find better-sounding headphones for the money.

Headfonia Reviews

Published: 15.02.2010

Superlux HD 668B Review

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...