Douk Audio U3 PRO HIFI Mini Headphone Amplifier Stereo Amp for HD600/HD650/K701

US $54.99
or 4 interest-free payments of $13.75 available with
Condition:
New
2 available3 sold

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Located in: United States
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eBay item number:396161869020
Last updated on Oct 11, 2025 02:18:22 PDTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Brand
Douk Audio
Type
Headphone Amplifier
Number of Channels
2
Model
NS-08E
MPN
DZ023
Audio Inputs
AUX
Audio Outputs
Headphone Jack
Color
Gold
Features
Active Amplification, Volume Control
Number of Inputs
1
Number of Outputs
1
Surround Sound Formats
NO
Supported Modes
NO
Power
NO
Receiver Combo Features
Blu-ray Player, HD-DVD Player
UPC
372040340119
Category

Item description from the seller

About this seller

doukaudio studio

99% positive feedback338 items sold

Joined Oct 2024

Detailed seller ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Seller feedback (100)

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Product ratings and reviews

4.7
20 product ratings
  • 17 users rated this 5 out of 5 stars
  • 1 users rated this 4 out of 5 stars
  • 1 users rated this 3 out of 5 stars
  • 1 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • Top favorable review

    I didn't expect this amp to be THIS good!

    I was skeptical that such a cheap little amp would be decent, but it is astoundingly good, particularly for such short bread! It has a very lively character with quick transients, yet it isn't especially bright or aggressive. Backgrounds are perfectly quiet too, no hum or hiss. It's doing a wonderful job of driving my Grado SR80i's, I've never heard such full, deep, tight, and textured bass from these cans before. Imaging is excellent as well, with wide separation and vivid depth of field. I am VERY impressed.

    Verified purchase: YesCondition: NewSold by: doukmall

  • Top critical review

    Beautiful paper weight; I would not recommend or buy another one.

    While build quality of the casing seems adequate, the electronics leave a LOT to be desired. Very short almost useless power cord demands an extension cord (money saving tactic I suspect). Having both input and output sockets in the front is a design flaw....who does that??? The annoying squirrel buzz produced by the power connection in the back suggest low quality component usage...needs constant adjustment to prevent from arriving at the ear. Lastly, the hollow bell ringing when the body of the amp or the headphone core is touched is bad business for for uninterrupted listening pleasure. Does it sound good when listening while holding perfectly still...yes, and does it more that double volume to your headphones? Yes. and it also has a warm yet rich sound...yes. But the hassles ...

    Verified purchase: YesCondition: NewSold by: doukmall

  • Would have spent twice as much...

    The Mini 6J9 is small in size but not in sound! The sound QUALITY is superb as well. Can't imagine why I didn't buy a similar one for $100..would have been worth it. Use it currently with planar headphones and high ohm 600 series headphones. Superb product, great price!

    Verified purchase: YesCondition: NewSold by: doukmall

  • Pretty cool for the money!!!

    Sure well made little device, especially for under $50. Vocals sound slightly fuller, and the music is a touch more warm. Not the night and day difference I’d hoped for, but my headphones are pretty efficient B&W P5, so maybe it makes a bigger difference on phones that are harder to drive. For $44.50, no regrets!

    Verified purchase: YesCondition: NewSold by: doukmall

  • Get them both!

    Really fantastic out of the box. It produces more than enough power to handle difficult to drive headphones. Dead quiet too. I really like how the user can swap out various components to further modify its sonic footprint. I’ve paired it with the NS-10P to give me even more control over the sound. The NS-08E offers an incredible value for such a modest cost.

    Verified purchase: YesCondition: NewSold by: doukmall