Feature:1. One optical fiber and one coaxial input interface. Connect to DVD, HD player and other devices.2. One RCA output interface, connected to the power amplifier system.3. One channel 3.5mm audio output interface, Connected to headphones.4. Eliminate the noise when there is no input signal, and automatically mute when the non-audio signal is input.5. Support 192kHz 24bit sampling rate.6. Support volume adjustment. Support bass adjustment.7. Metal shell, anti-interference.Specification:Features:One optical fiber and one coaxial input interface. Connect to DVD, HD player and other devices.One output interface, connected to the power amplifier system.One channel 3.5mm audio output interface, Connected to headphones.Eliminate the noise when there is no input signal, and automatically mute when the non-audio signal is input.Support 192kHz 24bit sampling rate.Support volume adjustment. Support bass adjustment.Metal shell, anti-interference.Specifications:Type: Audio ConverterMaterial: MetalColor: BlackSupport Audio Format: PCMSeparating Degree(1KHZ): 94DBResponse Frequency: 20Hz~20KHz-0.2dbSignal-to-Noise Ratio(SNR): -100DBTotal Harmonic Distortion(THD+N): 10Hz~20KHz 0.25-0.065%Blocking Time: 0.577FsSampling Rate: 32~192KHzBit Rate: 16~24BitOutput Electrical Level: 7VEarphone Output Power: (RL=32)30mWOutput Impedance: 47 ohmsWorking Voltage: +5V.Maximum Voltage: 6VMaximum Power Consumption: 100mAPackage Size: 7.6*7*1.6cm / 3.0*2.8*0.6inPackage weight: 150g / 5.3ozPackage Size:1 * DAC Converter1 * USB Power Cable1 * User ManualPackage List:1 * DAC Converter1 * USB Power Cable1 * User Manual