音频
| 频率范围 |
10 - 100000 Hz |
| 输出阻抗 |
16 - 300 Ω |
| 信号-噪声比(信噪比) |
95 dB |
| 可调整音量 |
Y |
USB DAC and Portable Headphone Amplifier, 10Hz - 100kHz, 16 - 150mW, 16 - 300 Ohms, 1050mAh Li-ion, 100g, black
- USB audio decoding and output for PC, functioning as a high quality external USB soundcard
- Texas Instruments' PCM2706 serves as USB receiver. For better sound quality, a Wolfson WM8740 serves as digital-to-analog convertor (DAC), pairing with a high performance operational amplifier from ADI for the DAC circuit
- Built-in headphone amplifier utilizing AD8692 and Texas Instruments' TPA6130A as pre- and power-amp for high performance, good resolution, low distortion, and powerful output
- Standard 3.5mm stereo line-in jack for portable amplification with conventional audio source
- Dual 3.5mm headphone output jack. Convenient design makes it easy to share music between two listeners
- Easy to use digital volume control function with great precision and channel balance
- Built-in EQ for 3 levels of Bass Boost
- Built-in rechargeable 1050 mAH Li-ion battery for 80 hours of continuous operation
- Quality anodized aluminum satin finish case design, small and compact, ideal to be wrapped together with digital audio player
- User selectable USB charging function to help prolong battery lifespan and lower distortion from power supply circuit
- User definable startup volume memory and maximum volume limiter to protect user from hearing damage due to loud volume
- Automatic keylock feature
- User definable sleep timer function and total runtime display
- Output Power: 150mW (16O)16mW (300O)
- Headphone Impedance Range:16 O ~ 300 O
- SNR: =95dB (A weight)on line-in, =100dB (A weight)on USB-in
- Distortion: <0.009% (10mW)on line-in, <0.008% (10mW) on USB-in
- Frequency Range: 10Hz ~ 1000KHz
- Power Supply: Rechargeable Li-ion battery
- Recharging: USB 5V DC 400mA
- Size: 96mmx55mmx15.5mm
- Weight: 100g
