The Azden IRR-30P Dual Channel Powered Receiver is intended for use with Azden's classroom series infrared transmitters. The IRR-30P enables two wireless microphones to operate simultaneously. Two stereo auxiliary inputs are provided for connecting CD players, video audio and other line level sources. Four level control knobs are featured for each microphone and line source. The IRR-30P features an internal 5W amplifier for powering passive speakers.