Hall Research VSA-31 A/V switch
Designed for classrooms and conference rooms, the VSA-31 integrates switching, projector control, video transmission over UTP and audio amplification in one package, which contains a 4-gang wall plate and a small receiver. It sends the selected input signal to a receiver up to 750 feet away. The system features a built-in stereo audio amplifier with volume control to drive 4 or 8 Ohm speakers directly. Available now for $985 MSRP.