1、Optical to coaxial two‑way audio converter switch to select optical for toslink or coax input and convert the signal (as is) to its coaxial and optical for toslink output ports. 2、Audio input and output support audio format: LPCM2.0/DTS/DOLBY‑AC3. And it supports up to 192KHZ sampling rate. Noise free transmission, providing high definition audio output for your amplifier and speakers. 3、Easy to set up‑plug and play, without any software and drivers. It can power the fiber to coaxial converter through the phone adapter and the USB jack on the TV or nearby USB port device. 4、Use optical fiber cable loss less than 0.2Db/m, output distance up to 30 meters (98 feet), use standard coaxial cable output up to 10 meters (32 feet). Please note that too long audio cable will cause noise. 5、Compatible for Blu‑ray players, for satellite receivers, for BR players, for Xbox 360, HDTV, DVD, amplifiers, sound bars, speakers and all devices with digital audio output ports. Item Type: Coaxial Optical Digital Audio Converter Material: Iron Shell Colour: Black Audio Input: SPDIF Optical Fiber and Coaxial Audio Output: SPDIF Optical Fiber and Coaxial Audio Format Support: LPCM2.0/DTS/DOLBY-AC3 Supports up to 192 KHz Sampling Rate Scope Of Application: Compatible for  Blu-ray Players,  for Satellite Receivers, for BR Players, for Xbox 360, HDTV, DVD, Amplifiers, Sound Bars, Speakers and All Devices with Digital Audio Output Ports. 1 x Converter 1 x USB Charging Cable