This solid-state component system projects further, louder, clearer than horn megaphones...and doesn t block your vision. Unit gives an undistorted sound without feedback problems. You can even detach speaker horn and connect it to amp with an extension cord. Features 50-watt battery-powered output, two inputs for mike and phono or tape, three outputs for speakers and tape recorder. Runs on 10 D batteries (not included), or use AC adapter. 14 Lbs. Roam with microphone to 300' from unit.