Podium Pro PP101 10-Inch Pair Subwoofer Pro Audio DJ PA Karaoke Band Replacement 200 Watts RMS & 400 Watts Max per piece 60 - 5000 Hz Frequency Response - 94 dB - 8 ohm High Temperature 2" Parabolic 4-Layer Aluminum Kapton Voice Coils - 50oz Magnets and Vented Pole Pieces Sturdy Poly-Infused Paper Cones with Cloth Accordion Edge Surrounds - Progressive Rolled Spiders Overall Dimension is 10.0625" - Fits Enclosure Hole Size of 9.1875" - Mounting Depth is 4"