Unrivaled subwoofer bang for the buck, the newly manufactured PB12-NSD’s low frequency extension and output outclasses subwoofers costing three time the price. A high excursion 12-inch composite driver and 400 watts RMS, 800 watts Peak Power Sledge amplifier housed in a ported box cabinet deliver thunderous bass with pinpoint accuracy and transient speed for more immersive home theater and music experiences.