Samson's Concert 99 Guitar combines 80 channels of high-definition audio and extreme reliability into a rugged all-metal, rack-mountable chassis with a stage-ready backlit display. With simple 1-touch setup, convenient monitoring, a 300' UHF operating range and impressive transmitter battery life, this frequency-agile system suggestion unprecedented value to guitarists, bassists and other stringed instrumentalists in search of reliable wireless freedom. In both single and multi-system arrangements, the CR99 Wireless Receiver suggestion 80 total operating channels, selecting the best frequency option for your area. Quick to setup, the CR99's Group scan helps avoid conflicting frequencies, while its IR sync function allows users to wirelessly match the transmitter to the receivers operating frequency. The CR99 receiver features a bright, backlit LCD for monitoring on dark stages, even at long distances. The LCD also shows the exact battery life of your transmitter, along with the channel number and its corresponding UHF frequency. Audio reaches the CR99 Wireless Receiver receiver via the CB99 Beltpack Transmitter, which features Samson's GC32 Guitar Cable with a locking connector. Suggestion eight hours of battery life using two AA batteries (not included), the CB99 transmitter features a variable Gain control, popless 1-touch Mute button and metal belt clip. FeaturesConcert 99 Wireless Guitar Microphone System with GC32 Guitar CableFrequency-agile UHF wireless system80 operating channels across 24MHz bandwidthUp to eight simultaneous systems per frequency bandRugged all-metal, rack mountable chassisMultifunctional backlit LCDGroup scan for easy single or multi-system setupIR sync wirelessly matches receiver and transmitter frequencyTrue RF Diversity design minimizes dropoutsTone Key technology prevents interferenceRemovable 1/4-wave antennasSE10 Earset Microphone with Miniature Condenser Capsule, moisture-resistant design and locking connectorSuggestion up to