Description: 192Khz 24Bit sampling rate: Support 192Khz 24Bit sampling rate on the optical signal,built-in interference immunity and no signal input squelch circuit Widely compatible with 32~600 Ohm headphonesDesigned for game player and music fancier, support all headphones within 32~600 Ohm The 192KHz DAC innovatively designed bass adjustment functionCan 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 world 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 in DAC products , with surging power The design of portable and fashion aluminum alloy shell and gold-plated interface improved overall immunity ,it makes the sound clear and pure .Widely compatibility ,can be used for PS3/PS4,Blu-way player,HD DVD,Home Theatre system, etc. Easy to install , plug and play Specification: Name: Digital to Analog Audio Converter Colour: Black Support audio format: PCM Resolution (1KHZ): 94DB Response frequency: 20Hz~20KHz -0.2db Signal to Noise Ratio (SNR):-100DB Total harmonic distortion (THD + N): 10Hz~20KHz 0.25-0.065% Block time: 0.577Fs Sampling rate: 32~192 KHz Bit rate: 16 to 24 bits Output electrical level: 7V Headphone output power: (RL = 32) Output impedance: 47 ohm Working voltage: + 5V maximum voltage: 6V Maximum power consumption: 100mAh Operating temperature range:-10-70 Storage temperature range:-60-150 Size: about 76mmx70mmx16mm/2.99x2.76x0.63 inch Package Includes: 1x Digital to Analog Audio Converter 1x USB Cable 1x Optical Fiber Cable 1x Manual 1x Color box