PA-30/20 Deck HornClear, distortion-free, waterproof deck horns are ideal for shipboard paging, hailing, fog horns, and alarm systems. high-impact plastic construction and assembled with stainless steel hardware. 8 Ohm.Specifications:Output Nominal/Peak: 30 watts or 20 wattsWeight: 3 lbs. Specifications:Power – Output (Watts): 30wBox Dimensions: 6″H x 8″W x 10″L WT: 2.7 lbsQuick Guide (pdf)