Description: 192 24Bit sampling rate: Support 192 24Bit sampling rate on the optical signal,built-in interference immunity and no signal input squelch circuit Widely compatible with 32~600 headphones: Designed for game player and music fancier, support all headphones within 32~600 The 192 DAC innovatively designed bass adjustment function, Can provide stunning stereo sound, heavy bass effect, create the perfect environment different from the sound field, gain the effect was very obvious, which makes you reveled in a by bass Volume adjustment knob : Built-in volume adjustment circuit and control knob ,completely solve the problem of low volume when using high-impedance headphones used products , with surging power Widely compatibility ,can be used for for , player, ,Home Theatre system, etc. Easy to install , plug and play Specification: Name: Digital to Analog Audio Converter Colour: Black Support audio format: Resolution (1): 94DB Response frequency: 20Hz~20 -0.2db Signal to Noise Ratio (SNR):-100DB Total harmonic distortion (T + N): 10Hz~20 0.25-0.065% : 0.577Fs Sampling rate: 32~192 Bit rate: 16 to 24 bits Output electrical level: 7V Headphone output power: ( = 32Ω) Output impedance: 47 Working voltage: + 5V maximum voltage: 6V Maximum power consumption: 100mAh Operating temperature range:-10-70 Celsius degree Storage temperature range:-60-150 Celsius degree Body Size: 7x5.5x1.7cm Length of cable: 95cm Package Includes: 1x Digital to Analog Audio Converter 1x USB Cable 1x Manual