Electro-Voice HT-300 Wireless Handheld Microphone Transmitter - Frequency Band A For use with Electro-Voice R300 wireless microphone receiver (sold separately)^Designed for club sound performance & sports venues and other applications^EZsync - infrared channel transfer from receiver to transmitter for easy and error-free setup^PL22 cardioid dynamic microphone element for crisp clear vocals in any application^Rugged metal transmitters with backlit LCD display and battery gauge