Pyle PLPR212A Dual 12-Inch Slim Design Powered Subwoofer Enclosure System - Set of 1 Dual 12'' High Power Subwoofer - 4 Ohm Impedance - Dimensions: 33.2''W x 15.6''H x 11.2''D Black Poly Coated Cone - 400 Watts RMS / 800 Watts Peak 2'' Voice Coil - Frequency Response: 30Hz-300hz Vinyl Wrapped Amplified Enclosure - SPL: 91dB 40 Oz Magnet Structure - RCA/Speaker Line Input