Dual 12" Subwoofer Box Enclosure - Lanzar Vector Compact Vehicle Audio Stereo Sound Speaker System - Rear Vented Slim Design, 4 OHM Impedance, Silver PP Cone, Aluminum Voice Coil - VCHB212 2400 W MAX POWER HANDLING: This double 12'' compact high power car subwoofer speaker has a power handling of 2400 watts max for a powerful full range audio sound system ALUMINUM 2.0'' VOICE COIL: Aluminum has low density, corrosion resistant, nonmagnetic and it can also perform well under stress in both high tension and high compression environments which makes it the best element to be used in voice coils 4 OHM IMPEDANCE: This car stereo subwoofer has 4-ohm impedance rating that compensates the undersized wire found in many of todays cars SILVER PP CONE: The cone is made of a resilient and durable manufactured polypropylene material that allows maximum give for long lasing and great sounding speakers SLIM SIZE DESIGN: The slim rear vented design bass box enclosure only measures 34''W x 15''H x 12''D for easy installation