Features: HIFI o amp stereo output: let you experience the immersive surround sound. PC-USB interface: Supports 24bit192KHz. Support for fibercoaxialUSB input. Supports for RCA6.35MM headphone jack output. The o output can be connected to headphones, amplifiers, and active speakers. S pecification: Chipset: CM6642+CS8416+CS4398+TPA6120+OP2134 Plug: US Plug EU Plug UK Plug (Optional) Amp output maximum power: 405mW 32 ohms Frequency response range: 20Hz-20kHz ( +- 3dB) Signal to Noise Ratio (SNR): more than 105dB Sample rate: USB-24bit192kHz, CoaxialOptical-24bit192kHz Control mode: tact switch + potentiometer knob Input interface: fiber coaxial; PC-USB Output interface: gold plated for RCA; 6.35MM headphone jack P ackage List: Headphone Amp *1 PC-USB cable *1 6.35 to 3.5 headphone adapter *1 Power adapter *1 Fiber optic cable *1 Instruction manual *1