LBH-30 Features: -Reach crowds of 50+.-Projects loud, clear sound as far as a quarter mile.-Efficient circuitry helps batteries last longer.-Heavy-duty microswitch inside trigger makes it more reliable.-Neodymium. Construction: -High-impact ABS resin construction. Specifications: -Weighs just 4 pounds with batteries installed.-30 Watts. Dimensions: -Dimensions: 9" diameter x 14.5" L.