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Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Home Stereo Amp DC5V
Feature：
🎵The background noise index is excellent. 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.
🎵Pluggable op amp socket design, convenient to upgrade different op amps and bring much DIY fun and playability for audiophiles.
🎵Smooth and mellow sound, suitable for listening to vocals or string music, classic or pop music, and even with unique charm when playing rock.
🎵With ultra-low distortion, and the sound is warm and delicate, full and mellow.
🎵Adopting original TI-NE5532 classical op amp and using 1300mA large current output transistor working in class A status,
🎵Mini size easily to drive most headphones in the market, providing larger power, better sound field and details, very suitable for home/office desktop audio system use.
🎵With stong drive power, easily to drive most high-impedance headphones such as:
HD580/HD600/HD650
K701/K702/Q701
DT880/T70/T90
SR225/SR325/RS1e
Warm tips: NOT include power adapter, you can use phone charger or power bank or computer to power it.
Parameters:
- Audio input: stereo L/R RCA
- Audio output: 6.35mm headphone jack (with 6.35mm to 3.5mm adapter)
- Output power: ≥1300mW (32Ω)
- Matched headphone impedance: 18-600Ω
- Frequency response: 20-30KHz
- Signal to noise ratio: ≥110DB
- Max output amplitude voltage: 25V
- Input voltage: DC 5-20V
- Dimension(W*D*H): 67*93*30mm / 2.64*3.66*1.18in
- Net weight: 169g / 0.37lb
- Package weight: 310g / 0.68lb
- Packing List：
1*U3 Headphone Amplifier
1*USB to DC Cable
1*6.35mm to 3.5mm Headphone Adapter
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