Concert 99 Guitar System is a rugged UHF wireless system designed for guitar and other stringed instruments. The CR99 receiver offers 80 selectable channels across a 24 MHz bandwidth, Group Scan for easy setup, and IR Sync to match transmitters. The CB99 beltpack transmitter provides up to 8 hours of operation with two AA batteries and a locking Mini-XLR guitar cable. A half-rack receiver with front/back outputs, removable antennas, and backlit display shares balanced XLR and unbalanced 1/4" outputs. Includes AC adapter and rackmount kit for quick deployment; range up to 300 ft line-of-sight.