to add that the power supply I am using is a stabilised 12v 1.5A output. the noise instantly vanished and the U3 performed perfectly with no background noise at all.Įdit. I had a power supply and plugged it into the 6 way socket which powers my computer, monitor etc. It is certainly a keeper!Ī word of advice, if you are using the U3 with your PC, don't plug the USB into your computer to power it, you will get noise. The on-off switch is noiseless, by which I mean that you hear nothing through your headphones when you switch on or off. It powers my headphones with lots of power to spare and it sounds great as well. It looks great and it certainly works great. I ordered one which seemed popular but when I tried it there was virtually no amplification on my headphones (I left a review on that one to say as much).Īfter careful consideration I then ordered this Douk Audio U3. Yes, this Douk Audio U3 really does deserve the five stars.īecause my headphones are 150ohm, my PC doesn't have enough grunt to power them properly so I needed an amplifier to do the job. Mini size with exquisite appearance and most cost-effective, brings big surprise for all audiophiles, easily to drive most headphones in the market, providing larger power, better sound field and details, very suitable for home/office desltop audio system use.Smooth and mellow sound, suitable for listening to vocals or string music, classic or pop music, and even with unique charm when playing rock. Pluggable op amp socket design, convenient to upgrade different op amps and bring much DIY fun and playability for audiophiles.Adopting original TI-NE5532 classical op amp and transistor expanding current circuit, using 1300mA large current output transistor working in class A status, with ultra-low distortion, and the sound is warm and delicate, full and mellow.With wide frequency response extension, excellent transient response, excellent purity and transparency, and good dynamic range. Adopting innovative circuit design, DC 5-20V wide input working voltage, the amplifier circuit can always work at a high voltage of 26V, and the background noise index is excellent.Make sure this fits by entering your model number.
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