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
- Wide Input Voltage: Innovative circuit design supports a DC 5-20V wide input working voltage, maintaining an optimal 26V for the amplifier circuit and delivering an excellent background noise index.
- High-Quality Audio Components: Features the original TI-NE5532 op amp and a transistor expanding current circuit with 1300mA large current output transistors in Class A status for ultra-low distortion and a warm, delicate sound.
- DIY Upgradeability: Pluggable op amp socket design allows for easy upgrades to different op amps, offering DIY fun and enhanced playability for audiophiles and sound enthusiasts.
- Mini Size, High Performance: Compact and exquisite design offers great value, providing the power and sound quality to drive most headphones on the market with ease, perfect for home or office desktop audio systems.
- Strong Drive Power: Effortlessly drives high-impedance headphones including models like HD580, HD600, HD650, K701, K702, Q701, DT880, T70, T90, SR225, SR325, and RS1e.
| Brand: | Nobsound |
|---|---|
| Manufacturer: | Nobsound |
| Part Number: | 9YJY8Q5 |
| Isin: | IK09AFXRHTCB |
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The U3 Mini employs the classic TI-NE5532 operational amplifier and a transistor current-expanding circuit, utilizing large current output transistors to deliver a sound that is both warm and delicate, with full and rich tones.
With its strong drive power, it is particularly adept at driving high-impedance headphones, making it a versatile choice for audiophiles seeking a compact and powerful amplifier.
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: 210g / 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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