Ported Marine Bass Tube With 10 -Resistant Enclosure4-Ohm Impedance;Power Handling: 100 Watts Rms (200 Watts Peak Power)Frequency Response: 39-1000 Hz;Sensitivity: 104 Db21-9/16L X 12-1/2H X 10-3/8W;Ten-inch passive bass tube for marine systems;Ten-inch, waterproof subwoofer with 150 Watts power handling;Stainless steel hardware;Weather-resistant, velcro-reinforced mounting straps;Salt fog and UV certified