The JBL PRX2200 Wireless Microphone System is a dual-channel UHF system designed for professional audio applications, offering clear vocal reproduction and reliable wireless performance. It features a cardioid polar pattern, a frequency response of 65 Hz-15 kHz, and a signal-to-noise ratio greater than 60 dBA. The system includes a receiver with a rechargeable Lithium-ion battery providing up to 6 hours of playtime, and two microphones that are powered by AA alkaline batteries.