Body-Pack 4 Channel IR Receiver Only, 2.3 2.8 3.3 3.8MHz, no batteries, no earphone included

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The RX22-4 is a four-channel infrared receiver, compatible with transmitters operating on the 2.3-3.8 MHz bandwidth. The sleek, comfortable design features a convenient rotary channel selector and an easy-to-use on/off/volume control. The RX22-4 can be used with mono or stereo headphones and earphones, or a neckloop. Dual infrared detectors provide maximum sensitivity and operating range.

Note: Does not include batteries or earphone.