Podium Pro PP122 1200 Watts 12-Inch Deluxe Pro Audio DJ PA Karaoke Band Replacement Subwoofer Pair 300 Watts RMS & 600 Watts Max per piece 40 - 4500 Hz Frequency Response - 96 dB - 8 ohm High Temperature 2" Flat Ribbon wire multi layer voice coils - 60 oz. Magnets and Vented Pole Pieces - Die Cast Aluminum Frame Sturdy Polymer treated Paper Cones with Cloth Accordion Edge Surrounds - Progressive Rolled Spiders - Silver Screw Connectors Overall Dimension is 12.125" - Fits Enclosure Hole Size of 11" - Mounting Depth is 4.625"