Audio-Technica ATR7200 VHF Wireless Handheld Microphone System, T8 Designed to provide reliable performance, easy setup and clear, natural sound quality Easily accessible On/Standby/Off switch on transmitters Quarter-wave telescoping antenna for extended operating range of up to 300 feet Volume control, 1/4" output jack and space-saving power supply Rugged unidirectional dynamic element on handheld microphone/transmitter