Maxim II     

The Maxim II is a very versatile sound-field system for use in the classroom, corporate boardroom or secured briefing SCIF up to 2,500 sq. ft. Trouble-free infrared wireless communication is free from outside interference (will not transmit through walls).
The Maxim II is a two-channel receiver / amplifier with three auxiliary inputs, page pass through and a 32 watt amplifier.

Maxim II System Components and Accessories:
Ceiling Sensor Accessories Speaker
Base Station
Choice of Microphone
Transmitter
Drop-In Battery
Charging Station
Ceiling Sensor
Ceiling or Wall
Mount Speakers