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

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

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

Produkt-ID: 633189349

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⚡1300mA Output

🎧Pluggable Op Amp

🔊Class A Amplification

Häufig zusammen gekauft

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

UGREEN 3.5mm to RCA Cable, 6.6FT RCA Male to Aux Audio Adapter HiFi Sound Headphone Jack Adapter Metal Shell Y Splitter Auxiliary Cord 1/8 Connector for Phone Speaker MP3 Tablet HDTV

Beschreibung

🎶 Elevate Your Audio Game!

COMPACT POWERHOUSE - Mini size, massive impact—perfect for home or office setups.
UNLEASH YOUR SOUND - Experience audio like never before with ultra-low distortion and rich, warm tones.
EXCEPTIONAL CLARITY - Enjoy a wide frequency response and dynamic range that brings your music to life.
DRIVE WITH CONFIDENCE - Effortlessly powers high-impedance headphones for an immersive listening experience.
DIY AUDIOPHILES DREAM - Easily upgrade your op amps for a personalized sound journey.

The Douk Audio U3 Headphone Amp is a mini Hi-Fi amplifier designed for home and desktop use, featuring a Class A circuit, RCA input, and a wide input voltage range of DC 5-20V. It offers excellent sound quality with low distortion, making it suitable for various music genres. The pluggable op amp socket allows for easy upgrades, catering to audiophiles seeking customization.

Haben Sie eine Frage? Sehen Sie, was andere fragten

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.

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Reibungslose Transaktion, das Produkt ist in einwandfreiem Zustand angekommen.

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Mir hat die Produktvielfalt sehr gefallen. Werde auf jeden Fall wieder hier einkaufen.

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