the t.bone free solo PT 823 CC 915 Bundle@+*Bundle offer comprising*, the t.bone free solo PT 823 MHz, Wireless System for Guitar or Bass, UHF wireless system with a pocket transmitter, 8 Pre-programmed frequency groups with 8 available channels each, 1 User channel, 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, Housing: 9.5