JL Audio 10W3v3-4 10" Single 4 ohm W3v3 Series Subwoofer 10W3v3 10" Single 4 Ohm W3v3 Series Subwoofer Peak: 600 watts | RMS: 300 watts Impedance: Single 4 Ohm Top Mount Depth: 5.93" Cutout Diameter: 9.0625"