Wireless In-ear Monit System with Monit Headphones Wireless Body Pack Receiver System Transmitter Overview Enjoy freedom of movement on stage, hear a more consistent sound than with monitor wedges, and perform better with the Audio-Technica ATW-3255 3000 Series In-Ear Wireless Monitor System, a durable IEM system that delivers professional-quality sound with dependable wireless performance for musicians rehearsing or performing live in concerts or in houses of worship. The all-in-one ATW-3255 system includes the ATW-T3205 1/2-rack stereo transmitter with front-panel controls and large OLED display, ATW-R3250 stereo bodypack receiver with stereo/mono operation and pan/personal mix controls, ATH-E40 professional in-ear headphones, external power supply, and a rackmount kit. The system provides up to 6 hours of continuous use with two AA batteries in the receiver—at a range up to 300'. The transmitter can send signal to as many receivers as you want (additional receivers available separately). Up to 49 transmitters can operate simultaneously in the same frequency band. Features Live Stage, Rehearsal, House of Worship 1/2-Rack Stereo Transmitter Bodypack Stereo/Mono Receiver ATH-E40 Stereo Earphones EQ, Limiter, Gain, Stereo Panning 138 MHz Bandwidth, Antenna Diversity Control via Free Wireless Manager App Compatibility with 3000 Series Mics