This coaxial to optical converter will allow you to connect the coaxial digital audio output from your DVD, cable or STB recevier to a Toslink digital optical input. 

This can transforms a digital RCA Coaxial (S/PDIF) audio signal to a Digital Toslink Optical signal. 

Supports sampling rate at 32kHZ, 44.1kHZ, 48kHZ, 96KHz, fully meet the sampling criteria of DVD-AUDIO / SACD / DAT (96kHz) 

Applies to DOLBY and DTS systems; 

An audible signal: 24bit stereo, 2.1-channel, 5.1-channel, 6.1-channel; 

Small in size and easy to install and operate. 

Power Supply: DC9V 

Power Adapter Plug: 2 pin  

Dimensions: 2.8* 1.8* 0.8inch(approx)  

This product will NOT convert ANALOG AUDIO (typically Left&Right-Red and White RCA audio to the Digital Audio Format)