Samson's Concert 88 Earset Wireless System offers a high-performance UHF wireless solution where the freedom of mobility is a must. It's perfect for business professionals, educators, house of worship speakers, fitness instructors and others looking for stunning sound and versatility without cables. The frequency-agile Concert 88 Earset allows for up to 16 systems to operate simultaneously across two frequency bands with up to 300' separating the receiver and transmitter. At the core of the system is the CR88 Wireless Receiver. Featuring a true diversity design, the CR88 minimizes signal dropouts during performance. If a dropout does occur, the CR88's tone key and auto mute functions eliminate any background noise until the signal is restored. The CR88 receiver's front panel provides a Select button for auto syncing receiver and transmitter channels via an infrared signal. The panel also features a 7-segment Channel Volume knob, Power button, two tuned antennas, as well as Audio and Ready indicators, for optimal functionality and monitoring. Balanced XLR and 1/4 inch. outputs can be found on the receiver's back panel. The Concert 88 Earset features the CB88 Beltpack Transmitter and SE10 Headworn Microphone with a locking connector. The transmitter, which can operate for up to eight hours on two AA batteries, is engineered to the finest detail to provide the ultimate in sound reproduction.