Condition: 100% brand new Item type: Digital to Analog Audio Amplifier Material: aluminum case Color: As picture shown Weight: Approx. 235g Input: coaxial or optical digital audio Output: R/L (audio output connector) Audio input connection: for Toslink, 1 x for RCA (coaxial) Audio output connection: 2 x for RCA (right/left) Support sampling rate 44.1 32., 48-96KHz playback Power input: AC 100-240V 50/60Hz Power supply: 5W (maximum) Input terminal: 1 × coaxial digital (coaxial) terminal, 1 × optical digital (SPDIF /for Toslink) audio terminal analog output: 1 × for RCA (L / R) terminal, 1 × 3.5 mm earphone terminal Digital output: 1 × coaxial digital (coaxial) terminal, 1 × optical digital (SPDIF / for Toslink) audio terminal Sampling rate: at 32kHz, 44.1KHz, 48KHz, 96KHz, 192KHz, 24 bits Input power: DC5V Ato 500MA 1、192KHz/24?bit support for sound sources enjoying higher resolution than CD sound quality. 2、For built?in HIFI power amplifier chip, 16?300Ω HI‑FI headphones can support. 3、And power on/off, volume adjustment can be controlled with a button, and the knob can amplify the volume. 4、Through the memory function, even if the storage capacity is turned off before the power is turned off, there is no need to increase the volume from naught during another playback time. 5、Digital TV, high?definition digital audio equipment, CD players, DVD players, for Blu?ray players, game consoles, will be used in devices without for RCA (L/R) terminals, such as a computer. 6、Optical (optical) digital input signal format/coaxial (coaxial) corresponds for PCM/LPCM. 1 x Digital to analog audio converter 1 x USB line 1 x User Manual 1 x Cable