Big Ben is a carpeted, 400-watt 1x18 subwoofer that can be used as a stand-alone powerhouse or as part of a thundering bi-amp system. Its clever design includes a chrome stamped steel, vibration-free grill and a rear tube port. Carpeted 1x18 sub woofer. Very fast for an 18 in. Category: Bass Guitar Amp Cabinets Brand: SWR |