Seismic Audio - Pair of Dual 15" PA DJ SPEAKERS & TWO 18" SUBWOOFER CABINETS PRO AUDIO - Band, Bar, Wedding SA Dual 15's has 2 15" woofers. 700 W RMS - 1400 Peak. Titanium Horn. 4 ohms. 45Hz - 20KHz. Sensitivity 96 db. 2-way Crossover. 5/8" Plywood Front Panel. Two 1/4" & Two Speakon Inputs. Dual Ports. Recessed Handles. Full Metal Grill. Black carpet with black metal corners. SA 18" Subs is a 18" High Powered Subwoofers. 500 W RMS - 1000 Peak. 30Hz to 500Hz. 8 Ohms. Sensitivity 98 db. Speaker Mounts on Top. Two 1/4" & Two Speakon Inputs.