Max Pro 12'' 1600 Watt Small Enclosure Dual 4 Ohm Subwoofer  Black Non-Pressed Paper Cone Specially Treated Foam Edge Suspension Stamped Steel Basket w/Hex Key Input Terminal Bumped Vented Motor Structure Custom Designed Rubber Magnet Boot 2'' Dual Layer High Temperature Kapton Voice Coil 80 + 80 oz. Heavy Double Stacked Magnet Structure 1600 Watts Peak Power Dual 4 Ohms Nom. Impedance Fs: 40Hz, Qms:5.0, Qes: 0.90, Qts: 0.75, SPL: 84(dB), Vas: 5.204(Cuft) Mounting Depth: 5.76" Sold as : Unit