the t.bone free solo Twin PT 823 MHz, 2-Channel UHF Wireless System, With 2 pocket transmitters, Frequency band: 823 - 832 MHz, 8 Pre-programmed frequency groups with 8 available channels each, 1 User group with freely selectable frequencies, Adjustable squelch with threshold display on the receiver, Frequency scan in the receiver, Adjustable AF output, Adjustable transmission power: 5 mW, 10 mW, 20 mW, Infrared transfer of the settings from the receiver to the transmitter, Pilot tone, Increments of 25 kHz, 19"" / 1U housing with 2 BNC outputs for antennas, XLR- and jack output, Operates at 12 V / 500 mA DC power supply (positive (+) polarity inside), Transmitter housing: Plastic, 3-Pin TQG male connector, LCD display, Operates with 2x AA batteries or rechargeable batteries, Includes batteries, a guitar cable, a plastic case and rackmount, Optional antenna converters available under Article Nr #177448# (not included)