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. Tapered horn measures 11" x 6.5" x 8.25". Runs on 10 "D" batteries (not included), or use optional AC adapter (sold separately). 14 Lbs.