The Pulse Audio PA-EXTDA is a digital-analog audio extender over a single Cat5e/6. It is designed to extend the analog audio signals up to 170m, or digital audio signal up to 290m via toslink or coax audio input. Selecting the audio source is quick and easy with the use of a toggle switch. The toslink, coax, and RCA audio outputs are all synchronized and can be used simultaneously to provide digital and analog audio to 3 different audio devices at the same time without any lag between audio formats. With POC technology, the transmitter can be powered by the receiver for a for quick and easy installation.