- Rotary control knob on the Audio Interface has three positions for music microphone and off - Can be broadcast using multicast over the network to IP endpoints including Algo speakers and multicast-supported telephones - Line output from the 8301 is also available to bridge audio to legacy analog paging systems - Can be simultaneously broadcast to IP endpoints and legacy infrastructure at the same time if required - Music input from a 3.5mm stereo jack is compatible with an iPod and other sources - Left and right stereo channels are combined into a balanced mono signal compatible with public address (PA) infrastructure