JBL S2-1224SS SERIES II 1100 WATTS 12" SELECTABLE 2 OR 4 OHM SUBWOOFER ENCLOSURE Power Handling: Peak: 1100 watts RMS: 275 watts Sensitivity: 93 dB Frequency Response: 25 ~ 175 Hz Nominal Impedance: Single 2 or 4 ohm Dimensions (Approx): 22.44" W x 14.52" H x 12.00" D