Experience high-output sound with this Pioneer 12-inch sealed-enclosure active subwoofer. An innovative trapezoid shape supports easy installation in multiple locations around your vehicle, in multiple positions, while offering excellent sound production. Adjustable controls including variable bass boost and phase control provide this Pioneer 12-inch sealed-enclosure active subwoofer with enhanced output regulation.Geek Squad® Installation RecommendedVisit your local Best Buy store for more information. | Pioneer | | 12" Single-Voice-Coil Loaded Subwoofer Enclosure | Black | Best Buy