JL Audio CP112-W0v3 Single 12" 12W0v3-4 Loaded Ported Enclosure with Gray Carpet Finish CP112W0v3 - JL Audio 12 Slot Ported Basswedge Subwoofer Enclosure RMS Range: 100W-300W | Peak: 600W Final Impedance: 4 ohm mono Enclosure Type: Slot-ported (H) Height 15.18",(W) Width 16.31",(D1) Depth 20.3",(D2) Top Surface Depth 15.74"