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Compare 3 products

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AKG K240 Studio Headphones
AKG K240 Studio
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Superlux HD668 Headphones
Superlux HD668
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Superlux HD681 Headphones
Superlux HD681
Available colors
Editiorial reviews
5
3.9 out of 5
3 user ratings
5 stars
33 %
4 stars
33 %
3 stars
33 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
4
4 editorial reviews
On a budget, you'd be hard-pressed to find better-sounding headphones for the money.Read more
Superlux HD 668B: Review by Headfonia - The Headphone Enthusiast's WebsiteRead more
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...Read more
Read editorial reviews
7
3.9 out of 5
3 user ratings
5 stars
0 %
4 stars
100 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
70
3.6 out of 5
70 user ratings
5 stars
25 %
4 stars
30 %
3 stars
25 %
2 stars
14 %
1 stars
4 %
42
4.3 out of 5
42 user ratings
5 stars
42 %
4 stars
42 %
3 stars
14 %
2 stars
0 %
1 stars
0 %
110
3.7 out of 5
110 user ratings
5 stars
33 %
4 stars
23 %
3 stars
26 %
2 stars
14 %
1 stars
1 %

Technical details

Sound outputStereoStereoStereo
StyleOver-EarOver-EarOver-Ear
Connectivity technologyWiredWiredWired
Headset (integrated/enclosed microphone)nonono
Magnet materialNeodymiumNeodymiumNeodymium

Design

Colour of product
  • Black
  • Black,Gold
Black
  • Black
  • Black,Red
  • Grey
Acoustic designHalf openedHalf openedHalf opened
Attachment typeHeadbandHeadbandHeadband
Body materialSteel
N/A
Leather
CategoryStudio
N/A
Audiophile
Connector contacts plating
N/A
GoldGold

Dimensions

Width7.48 in7.4 in7.36 in
Depth4.33 in4.17 in4.21 in
Height7.87 in7.87 in7.87 in
Weight8.47 oz7.83 oz9.74 oz

Sound

Impedance55.0 Ω56.0 Ω32.0 Ω
Frequency range15 - 2500010 - 3000010 - 30000
Diaphragm diameter1.96 in
N/A
2.0 in
Driver technologyDynamicDynamicDynamic
Total harmonic distortion (THD)0.3 %
N/A
0.25 %
Maximum input power200.0 mW
N/A
N/A
Driver size
N/A
1.97 in1.97 in

Connectivity

Inputs supported
  • 3.5mm
  • 6.35mm
N/A
  • 3.5mm
  • 6.35mm
Cable length332.5
3.5 mm/6.3 mm adapter includedyesyesyes
Type of connector3.5mm3.5mm3.5mm
USBnonono
Detachable cableyesyesno

Power

Battery operatednonono
Power handling capacity200.0 mW300.0 mW300.0 mW

Often compared with AKG K240 Studio

Often compared with Superlux HD668

Often compared with Superlux HD681