Bodypack transmitter for MOVING-D digital wireless systems with 3-Pin mini XLR connector. It can be used with headset, lavaler microphones, guitar/bass and other instruments. Frequency response: 35Hz to 19KHz ~ 3dB. IrDA (infrared) Rx/Tx setup communication system. Sturdy construction for stage long-life. Very low handling noise. Low power consumption OLED display visible even in the dark. Audio Mute switch. Two AA batteries. Weight 250 (with batteries).