Seismic Audio - Enforcer II PW - Powered PA 18" Subwoofer Speaker Cabinet Model: Enforcer II PW 1200 Watts Each 18" Subwoofer - 120 ounce magnet, 4" Voice Coil 8 Ohms, 101 db. - Plywood Construction Line Output/Input - XLR Male / XLR Combo Jack, Low Pass Filter, Clip and Power Light Can Be Daisy Chained