xDuoo XD-01 24Bit/192KHz DAC Portable Headphone Amplifier

Price:
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Manufacturer Details

Technical Criterion:
Power Source: DC 4.2 V built-in li-polymer rechargeable battery
Compliant OS: Win XP, Vista, Win7, Win8, MAC OS X
Supported sampling: USB input: Maximum 96kHz/24bit
coaxial, optical input: Maximum 192kHz/24bit
Output Power: 320mW(32ohm load)
Frequency Variety: Audio In: 10Hz ~ 100KHz(+/ -0.5 dB)
USB/SPDIF In: 20Hz ~ 20KHz(+/ -0.5 dB)
Gain: +3/ +9 dB
THD+N: 0.004 % (1KHz)
S/N: 104dB
Suitable Earphone Impedance: 8ohm ~ 300ohm
Playback time: > 17H(USB/SPDIF In), > 23H(AUX In)
Charging Time:

Product Features

It adopts TI TAS1020B for USB signal input, PC jitter-free USB Audio with Asynchronous Transfer Mode, provides I2S interface for decoding, accepts up to 24Bit/96KHz high resolution audio signal. It adopts CS8422 for SPDIF signal input, works at asynchronous transmission mode, provides I2S interface for decoding, accepts up to 24Bit/192KHz high resolution audio signal. Adopts high-performance D/A chip: WM8740, accepts up to 192KHz/24Bit I2S signal, ultra-low distortion, low noise, high slew rate for analog; Adopts high dynamic and current opamp from TI Company, current-feedback architecture, high slew rate, OCL(OUTPUT capacitor-less)with Split power supply. SRC function can increase sampling up to 24bit/192KHz; One 2-Setting Gain Switch to set GAIN according to the headphones Rechargeable li-polymer battery with integrated charging system; Use aluminum-shielded case to prevent external interference noise

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