Analog to digital audio converter:Converts RCA or 3.5mm AUX analog stereo audio signal to Digital Coaxial audio and Toslink Spdif Optical digital audio simultaneously,with volume adjustment function, you can easily adjust the volume Note: It's not a Digital to Analog audio converter
TV aux to optical for sound bar:Supports uncompressed 2-channel PCM digital audio signal output,Supports output sampling rate at 44.1K,48K,96K audio sampling rate
Automatic encoding design:No software installation, automatic recognition of audio formats, high bandwidth design, no need to have concerns about distortion and loss of some audio content
Small compact design:Soft light LED indicator to avoid harsh bright light.Designed with aluminum metal housing to guarantee heat dissipation and electromagnetic compatibility,extending product life
Wide Compatibility:Compatible with devices with RCA plug or 3.5mm jack output, such as TV / PS3 / MP3 / DVD player / smartphone / tablet / recorder / laptop / radio / digital audio receiver / home theater system et