LD Systems U518 HHC2, Dual UHF wireless system with 2 bodypack transmitters, Interchangeable condensor capsules, Polar pattern: Cardioid, 19"" 1U True diversity receiver, Frequency band: 1785 - 1800 MHz, Frequency response: 60 - 16,000 Hz, 96 Channels in 8 groups a 12 channels, Switchable transmission power: 2, 10, 30 mW, Frequency scan in the receiver, Automatic frequency scan with infrared transmission of the setting from the receiver to the transmitter, Pilot tone, Bright OLED display, Adjustable 6.3 mm headphone output, XLR and jack output per channel, XLR / jack mix output, BNC antenna connections, Transmitter operation with 2 AA batteries or rechargeable batteries, Receiver operation with 13.5V DC power supply, Power consumption: 1000 mA, Includes 4 AA batteries, antennas, case and power supply