The WMS40 Mini Single Instrument Set is a true plug & play wireless solution providing crystal clear audio sound. Up and running in a second, it is the optimum wireless solution for small stages, clubs, places of worship, hotels, and gyms. The included HT40 Mini handheld transmitter features a dynamic cardioid capsule for maximum gain before feedback. The included PT40 Mini pocket transmitters provide a professional 3pin mini XLR connector, compatible with guitar and bass levels, headsets and instrumental mics. Its extremely long battery life of 30 hours off a single AA battery saves money in day-to-day use. The receivers come in an ultra compact housing and offers a 1/4" jack output.