Features: new and high quality This DAC converter converts coaxial or digital signals to analog l/r and can be connect to external devices such as amplifiers via a standard rca-type, you can also choose 3.5mm headphone output, connect high-fidelity headphones, suitable for home or professional switching. Bidirectional switching design makes it more than a DAC converter, not only supports digital to analog, also supports digital to digital. Built-in high-fidelity amplifier chips, l/r and 3.5mm output can drive 16-150ohm impedance headphone/sound. Supports volume control, volume control knob just for adjusting the volume of the headphone interface. No need to install programs, just plug-and-play. With volume knob, you can adjust the volume of l/r + 3.5mm output, convenient to use.It actually supports sampling rate at 32, 44.1, 48, 96 and 192 khz, and 24-bits/pdif incoming bit-stream left and right channels. Specifications: Material:Metal Input interface: Coaxial Output interface: R/L Coaxial, 3.5mm Signal Sampling Rate: 32-192 KHz, Bit Rate: 16-24 Bit Output Impedance: 16-300ohm Working Voltage: 5V Package Includes: 1x Digital to Analog R/L Converter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.