Rugged Design - Durable metal enclosure design for years of use Control - Select which audio source is playing via the toggle switch Long Distance - Send a digital audio signal up to 950ft PoC - Power over Cable means you only need to power the receiver simplifying installation Audio Formats - Supports major audio formats Dolby, DTS, and PCM Multiple Inputs/Outputs - Choose from TOSLINK, COAX, or Stereo 3.5mm/RCA for connections