The JBL ASB6112 Compact 12" Subwoofer houses JBLs 2263H Differential Drive dual coil dual gap 12" woofer. This woofer features neodymium magnet and ultra robust cone for extra long life. A high power, lightweight front-loaded vented subwoofer, the ASB6112 provides 1000 watt continuous pink noise and 4000 watt peak power handling capacity.