Lanzar 12in Car Subwoofer Speaker - Black Non-Pressed Paper Cone, Stamped Steel Basket, 4 Ohm Impedance, 1000 Watt Power and Rubber Suspension for Vehicle Audio Stereo Sound System - MAX12 1000 WATT POWER: This car subwoofer has 1000 Watt peak power that will produce high sound resonance. It also has 65 + 65 oz. heavy double stacked magnet structure, golden input terminals and 4 Ohm impedance WIDE RUBBER SUSPENSION: Made with this non-fatiguing rubber suspension to keep equipment safe. Designed with bumped and vented motor structure for durability and easy installation. The overall diameter is 12.09" NON-PRESSED PAPER CONE: It is a clean-cut car subwoofer that boasts a black non-pressed paper cone. It will enhance car stereo by producing a powerful audio and keep equipment safe at the same time KAPTON VOICE COIL: The speaker subwoofer comes with a 2 4 layer high-temperature Kapton voice coil to resist corrosion. It has a stamped steel basket as well, with a sensitivity of 91.9dB and a special designed rubber magnet boot 6.42 MOUNTING DEPTH: Easy to install with its 6.42 mounting depth and fits most audio system for cars, boats or RVs. Included are the necessary cables, installation template and manual