Feature:1. 3ch optical fiber digital audio inputs, freely switch to 1ch optical output, and decode into 1ch L/R analog audio output and 1ch headphone output.2. Adopt 24bit audio for DSP and 96KHz/24bitDAC digital processing chip, support for AC3/DTS/THX/HDCD/PCM and other digital audio formats.3. Automatic 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.4. Onekey switch input source and power standby, convenient and quick, headphone output, can directly drive 3.5mm plug universal headphones.5. With DC overvoltage protection function, effectively prevent damage to the product when the wrong power supply is used, low noise.Specification:Item Type: Audio DecoderMaterial: MetalColor: As Picture ShownWeight: Approx. 266.0g/9.4ozSupport Audio Format: DTS/DTS-CD/AC3/HDCD/THX/PCM/LPCMDigital Input Level: 0.1-1Volts p-pL/R Analog Output: 800mV RMSHeadphone Output Power: 30mWSignal to Noise Ratio: 90dBDistortion: 0.1%Frequency Response: 20Hz~20KHzMaximum Working Current: 350mAPower Adapter: AC100-240V 50/60Hz DC5V/1A.Package List:1 x Audio Decoder1 x Power Adapter1 x Manual