This is a digital audio analog converter, which can transfer digital audio (optical/coaxial) to two channels analog audio and output (however making use of directly on headphone is not recommended), just ideal for making use of together with the gadgets such as digital television, CD/DVD/Blue-ray player and so on,.
Which with coaxial or optical digital signal output.
Support 192KHz/24bit audio signal.
Optical/coaxial optional input
Two sound channels stereo RCA audio output
Standard 3.5mm sound output. USB power supply port.
Support PCM format, don't support DOLBY and DTS format.