LS-90-02 ListenIR Portable IR KitSecurely transmit assistive listening audio and ensure compliance for your venue with the LS 90 02 ListenIR iDSP Level I System. The pre configured system includes everything you need to meet the needs of a small or mid size venue with up to 50 seats, including boardrooms, theatres, training venues, classrooms, and more. Each LS 90 02 system comes complete with one of our LT 84 Transmitter Radiator combos for clear and secure line of sight audio