Specifications: Input: 1x Pair of RCA-type Analog Audio L/R jacks (White, Red) Input: 1x SPDIF RCA-type coaxial jack Input: 1x TOSLINK optical connector Output: 1x Pair of RCA-type Analog Audio L/R jacks (White, Red) Output: 1x SPDIF RCA-type coaxial jack Output: 1x TOSLINK optical connector Power supply: 5V DC Power Consumption: 5W maximum Accepts LPCM (2-Channel) or L/R Analog SNR: >90dB Frequency Response Deviation: < +/-0.5dB Distortion: < 0.001% at 0dBFS or 2vRMS Analog In Audio In Clipping Level: 2.2VRMS Input Impedance: 47k Max Output Level: 1.5..1.7VRMS Output Impedance: < 500ohm Operating Temp: 0°C ~ 40°C Certifications: UL, CE, EMC, RoHS Package Includes: (1) Volume Controller (1) Analog Audio L/R (RCA-style) Cable (1) IR Remote Control (1) 5V DC Power Supply (1) User's Manual