* Brown Injected Polypropylene Cone * Specially Treated Black Rubber Edge Suspension * Bumped & Vented Motor Structure * 1.5" High Temperature Kapton Voice Coil * Heavy Magnet Structure * 4 Ohm Impedance * 150 Watts RMS/300 Watts Peak * SPL @ 1W/1M: 88.6dB * Overall Diameter: 7.28" * Mounting Depth: 3.31" * Magnet Weight: 50 oz.