Rolls Hearing Enhancement, Translation, Tour Guide

The HR70 from Rolls is an easy-to-use digital FM transmitter. Simply connect the broadcast antenna, provide a signal to the device's XLR or RCA inputs (mixer, other audio device), select the desired frequency to broadcast those signals on ...

The Game Show GS76RL from Rolls is a teaching aid for quizzing students on subjects or ideas. Contestants try to "Buzz In" with correct answers first, thereby blocking out other contestants. The Controller unit is composed of eight numbere ...