This Pioneer 10 in. 1,200-Watt Shallow-Mount Subwoofer with Single 4ohm Voice Coil delivers deep bass with top-notch sound quality thanks to features like mica injection-molded resin which gives it the ability to produce accurate bass. This subwoofer utilizes an oversized cone structure that provides greater cone and gasket surface without changing its standard external dimension. This cone surface allows the subwoofer to produce louder and deeper bass by moving more air. The mounting depth is less than half a typical subwoofer in this class!