Audio-Technica ATW-2192-TH Wireless System Clear sound quality and rock-solid dependable performance Automatic frequency scanning finds an open channel at the touch of a button All 10 user-switchable channels are compatible"for easy use with multiple systems; no confusing frequency groups True Diversity operation selects the better signal from the two receiver sections, reducing dropouts Tone Lock tone squelch system fights interference Rugged metal half-rack receiver with soft-touch controls and LCD display feat Easy setup with automatic frequency scanning, 10 compatible user-switchable channels, rugged metal half-rack receiver with soft-touch controls and LCD display featuring RF and AF metering Balanced XLR, and unbalanced 1/4" output The Audio-Technica ATW-2192-TH is a wireless system that includes the ATW-R2100 receiver, ATW-T210 UniPak Transmitter, BP892cW-TH Omnidirectional Condenser Headworn Microphone (beige), element covers, windscreens, and clothing clip Audio-Technica's innovative 2000 Series wireless delivers professional performance, unheard of in its class