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 Converter Material: Metal Color: Black Support Audio Format: PCM Separating Degree(1KHZ): 94DB Response Frequency: 20Hz~20KHz-0.2db Signal-to-Noise Ratio(SNR): -100DB Total Harmonic Distortion(THD+N): 10Hz~20KHz 0.25-0.065% Blocking Time: 0.577Fs Sampling Rate: 32~192KHz Bit Rate: 16~24Bit Output Electrical Level: 7V Earphone Output Power: (RL=32Ω)30mW Output Impedance: 47 ohms Working Voltage: +5V.Maximum Voltage: 6V Maximum Power Consumption: 100mA Package Size: 7.6*7*1.6cm / 3.0*2.8*0.6in Package weight: 150g / 5.3oz Package Size: 1 * DAC Converter 1 * USB Power Cable 1 * User Manual Package List: 1 * DAC Converter 1 * USB Power Cable 1 * User Manual