Improve sound quality in your entertainment center using the Gefen Analog to Digital Audio Adapter. It is designed for converting an analog left and right RCA-style audio connection to a digital S/PDIF or TOSLINK output. Handling an output sampling frequency of 48kHz, it delivers clear audio to your receiving device. This analog to digital audio converter is compact and easy to set up and install. It is compatible with a wide range of devices and equipment. Simply plug your analog audio device into the left and right ports and the connect a receiver to the coax or optical port. A length of optical cable up to 15' can be used with the Gefen converter.