LD Systems U508 BPH, UHF Wireless System, With pocket transmitter and condenser MH1 Headset Microphone, Polar pattern: Cardioid, True Diversity, 96 channels into 8 groups of 12 channels a, Audio Frequency Response: 60 - 16000 Hz, Frequency scanning in the receiver, Switchable output power: 2 mW, 10 mW, 30 mW, Automatic frequency scanning with Infrared transmission setting from receiver to transmitter, Pilot tone, Bright OLED display, Transmitter works with 2x AA batteries, Frequency band 823-832 MHz and 863-865 MHz, XLR and jack output, Operating with a 12 - 18 V DC power supply, BNC antenna connections, Incl. 2 AA batteries, antennas, foam windscreen, case and power supply