1. WTXIRO1 1 Apply Audio signal 400mVrms into Audio input L R of the IR transmitter box 2 Apply DC 12V into Power input 3 Red for DC 12V 4 Black for ground 3 Audio transmission frequency is 2 3MHz and 2 8MHz i Audio L input o o Audio R input B 12V input B Ground 3 4 SIDE VIEW ene