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Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Home Stereo Amp DC5V

Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Home Stereo Amp DC5V

Q: What is the advantage or disadvantage of using a power supply voltage higher than the 5v you get through the usb to dc cable?

The USB power plug included, when plugged into the PC directly just have an overwhelming hiss. The hiss left when I used a 1A 5V USB charger, but the best sound came when I found an old large "wall-wart" 12V 1A with the same plug. The jump from 5V to 12V added a lot of warmth and detail. Get the linear supply wall-worts, not the switching kind (generally smaller in form-factor). I also used ferrite snap-on cores on the audio from the pc, high quality shielded audio cables. I'm most pleased with this unit when it's properly powered.

Q: Is this a decent headphone amp for a turntable that has a built in pre amp?

Signal source is irrelevant as long as it is a low impedance line level.

Q: Can someone post a link to a good DC power adapter for this sold on Amazon?

When I purchased this item recently from Amazon, I had a similar concern about the power supply, because I live in a 220V 50Hz electric supply zone. In my case, I received the amplifier with a charging cable having a standard (I think) plug on one end and a USB A plug on the other end. This end can be plugged into any phone charger with a USB A port. I found the amplifier works very well if this is also plugged in the USB port on the computer.

Q: How do I pick another power supply for this? I’d like to replace it but don’t know how to figure out if something will work with this.

I’m using a Radio Shack 12volt 1000ma power adapter. It comes with different tip sizes so I used one that fit and that had a positive center like shown printed on the back (near the receptacle) of the amp. The range required of the Douk is 5 volts to 20 volts so mine being 12 volts is good. In the reviews someone commented that they had issues with using 5 volt chargers. That’s why I went with a little more power. Check your manual in case they made changes to this unit since the time bought it( earlier this year)

4.3/5

Product ID: 573020882

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12 interest-free installments with tabby

🎧1300mA output

🎶Ultra-low distortion

🔊26V high voltage

Frequently Bought Together

Douk Audio U3 Headphone Amps, Mini Hi-Fi Amplifier for Home Desktop PC 6.35mm / 3.5mm Headsets, Class A, RCA Input, DC 5V

Amazon Basics 3.5mm Stereo Aux to 2 x RCA Audio Cable Adapters, 4 Feet/1.2 m, for Connecting Amplifiers, Speakers, with Gold-Plated Plugs, Black

Tan QY 2RCA to 2RCA Cable 3Ft, Gold-Plated 2 RCA Male to 2 RCA Male Stereo Audio Cable for Home Theater, HDTV, Gaming Consoles, Hi-Fi Systems (3Ft/1M)

Description

🎵 Unleash the audiophile in you!

DIY DELIGHT - Pluggable op amp socket design for endless customization and audiophile fun.
DRIVE WITH EASE - Easily powers high-impedance headphones for a rich listening experience.
COMPACT POWERHOUSE - Mini size, big sound—perfect for your home or office desktop setup.
ELEVATE YOUR SOUND - Experience audio like never before with a high voltage of 26V for pristine clarity.
VERSATILE LISTENING - Smooth, warm sound ideal for vocals, strings, and even rock.

The Douk Audio U3 Mini Class A Headphone Amplifier is a compact yet powerful audio solution designed for audiophiles. With a wide input voltage range of DC 5-20V and a high voltage output of 26V, it ensures excellent sound quality with low distortion. The amplifier features a pluggable op amp socket for easy upgrades, making it a versatile choice for both home and office audio systems.

Specifications

Brand	Douk Audio
Manufacturer	Douk Audio
Model	XZ-U3
Package Dimensions	13.21 x 9.19 x 8.31 cm; 167.83 g
Item model number	XZ-U3
Tuner Technology	DAB
Mounting Hardware	1U3 Headphone Amplifier, 1USB to DC Cable, 1*6.35mm to 3.5mm Headphone Adapter
Speaker Surround Sound Channel Configuration	2
Batteries Included	No
Batteries Required	No
Manufacturer	Douk Audio
Item Weight	168 g

Have a Question? See What Others Asked

What is the advantage or disadvantage of using a power supply voltage higher than the 5v you get through the usb to dc cable?

Is this a decent headphone amp for a turntable that has a built in pre amp?

Can someone post a link to a good DC power adapter for this sold on Amazon?

How do I pick another power supply for this? I’d like to replace it but don’t know how to figure out if something will work with this.

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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AED 269

Duties & taxes incl.

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15 dayswithout membership

Secure Transaction

12 interest-free installments with tabby

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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