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Liberty is really two sound systems in one. In “Music” mode, it provides rich, full-range music reproduction—the kind you can feel. Flip the switch, and Liberty’s tuned especially for speech projection, concentrating its power to make the voice segment of the sound spectrum carry farther.
The MPB-4500 is a 50-watt battery-powered sound system that runs 6 to 8 hours on a charge. It is designed for crowds up to 1,000 people with its 117dB of clear sound. Liberty is used at the White House for Presidential press conferences, at thousands of schools around the world, at corporate training centers and on every U.S. aircraft carrier. Liberty is rugged, reliable and crystal clear.
|Dimensions||48 × 44 × 28 in|