Multimedia Wireless Amplifier 1.ISO,CE,FCC 2.wireless,bluetooth digital amp 3.teaching,conference 4.power:2*150W-300W,DC 6V Multimedia Wireless Amplifier ... Weight5.35kgFeature/Function:1. It was built-in 2.4G wireless digital receiver and has more than 1000 receiver channels.2 ... VOL control,five line wired MIC input,a 2.4G wireless MIC input,three line audio input.11. The system is ...