13ch optical fiber digital audio inputs, freely switch to 1ch optical output, and decode into 1ch L/R analog audio output and 1ch headphone output. 2Adopt 24bit audio for DSP and 96KHz/24bitDAC digital processing chip, support for AC3/DTS/THX/HDCD/PCM and other digital audio formats. 3Automatic detection and recognition of input digital audio signal format, output stereo analog audio, power off memory function, no need to switch signal source after restart. 4Onekey switch input source and power standby, convenient and quick, headphone output, can directly drive 3.5mm plug universal headphones. 5With DC overvoltage protection function, effectively prevent damage to the product when the wrong power supply is used, low noise. Item Type:Audio Decoder Material: Metal Color: As Picture Shown Weight: Approx. 266.0g/9.4oz Support Audio Format: DTS/DTS-CD/AC3/HDCD/THX/PCM/LPCM Digital Input Level: 0.1-1Volts p-p L/R Analog Output: 800mV RMS Headphone Output Power: 30mW Signal to Noise Ratio: 90dB Distortion: 0.1% Frequency Response: 20Hz~20KHz Maximum Working Current: 350mA Power Adapter: AC100-240V 50/60Hz DC5V/1A 1 x Audio Decoder 1 x Power Adapter 1 x Manual