USB Optical Digital to Analog Audio Converter Bass Volume

This product is specially designed for professional audio signal processing,You can easily convert the digital audio signal of input of coaxial or optical interface to analog stereo audio signal of RCA interface and 3.5 mm headphone jack.
  Note: USB power supply (not included) must be connected Doesn’t support USB disk/ Thumb drive
  Packing List: 1 x Audio Converter 1 x USB Cable 1 x USB Power Cable 1 x Optical Cable 1 x User Manual
  Features: One optical fiber and one coaxial input interface. Connect to DVD, HD player and other devices One USB input, connect to computers, Doesn’t support USB disk One RCA 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
  Specification: Support Audio Format: PCM Separating Degree (1KHz): 94DB Response Frequency: 20Hz to 20KHz -0.2db Signal-to-Noise Ratio (SNR): -100DB Total Harmonic Distortion (THD+N): 10Hz to 20KHz 0.25 -0.065% Blocking Time: 0.577Fs Sampling Rate: 32 to 192 KHz Bit Rate: 16 to 24 Bit Earphone output level (Adjust the bass to maximum): 3V RCA output level (Adjust the bass to maximum): 9V Earphone Output Power (Adjust the bass to maximum): (32O) 30mW Earphone Output Impedance: 0.8O RCA Output Impedance: 450O Working Voltage: +5V Maximum Voltage: +6V Maximum Power Consumption: 75mA Operating Temperature Range: -10-70? Storage Temperature Range: -60-150? Operating Humidity Range: 10% - 80%RH (No Condensation) Storage Humidity Range: 5- 90%RH (No Condensation) Size: 101 x 95 x 20mm (3.98 x 3.74 x 0.79 inch) Weight: 115g (0.25 lb)