Sound Town 40-Channel Rack Mountable UHF Wireless Microphone System with 2 Lavalier Microphones, 2 Bodypack Transmitters for Church, Business Meeting, Outdoor Wedding and Karaoke (SWM22-U2LL) The Sound Town SWM22-U2LL combines stellar sound and ease of use into a sleek wireless microphone system. It comes with dual-channel up to 40 selectable UHF frequencies (550-599MHz). This helps minimize the chances of getting interference from other electronic equipment. The rack mountable SWM22-U2 microphone receiver comes with both 1/4" mix out and XLR outputs for professional use. This wireless microphone system can be easily set up with your powered PA speaker, mixer or amplifier. The windscreen that come with the microphones assist in reducing excessive pressure and guarantee crisp and clean audio reproduction. The cardioid condenser lavalier microphones together with the bodypack transmitters provide a hands free experience, so you can present or perform confidently. The system has an operation range of up to 250 feet line-of-sight in good surroundings. It is perfect for conferences, broadcasting, weddings, karaoke, social events and any small to medium-sized venues such as meeting rooms, auditoriums, schools, churches and stages. Note: The wireless microphone system needs to be connected to a speaker (not included in the package) to work. For devices such as certain home receivers that do not come with 1/4” mic or XLR input connectors, a preamp or mixer is recommended to optimize sound performance when connecting the microphone to a home receiver. For mixers, please check out the Sound Town TRITON-A08 or TRION-A12BD mixer. In the package:1 X SWM22-U2 wireless microphone receiver, 2 X lavalier microphones, 2 X bodypack transmitters,1 X power adapter, 1 X user manual