Boss L12 Outcast 12-Inch Dual 4 Voice Coil Subwoofer 12-Inch DUAL 4 OHM VOICE COIL SUBWOOFER, DIECAST ALUMINUM FRAME Power Peak, 2000 Watts; RMS Power, 1000 Watts Cone Material, NON-PRESSED PAPER; Magnet Structure, 200 oz; Voice Coil Size & Type, 3-Inch Efficiency 1 Watt/1 Meter, 96dB; Frequency Response, 25Hz-2.2kHz; Impedance, dual 4 ohm Mounting Depth, 9-3/16-Inch