Podium Pro PP152 15-Inch 1400 Watts Deluxe Pro Audio DJ PA Karaoke Band Replacement Subwoofer Pair 350 Watts RMS & 700 Watts Max per piece 35 - 4000 Hz Frequency Response - 97 dB - 8 ohm High Temperature 2" Flat Ribbon wire multi layer voice coils - 75 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 15.25" - Fits Enclosure Hole Size of 14" - Mounting Depth is 5.75"