MTX TN12-04 12 inch 400 Watt Sub Woofer Car Audio Power Bass Subwoofer

RMS Power (Watts): 200 Watts Recommended Amp Power (RMS): 100 200 Watts Peak Power (Watts): 400 ALDS Asymmetrical Linear Drive System with a Flat Progressive Spider and Extended Pole Piece for Smooth, Linear, Piston like Drive Exclusive Spider Plateau Venting Cooling System Cools at the Voice Coil Rubber Surround for Greater Durability and Longevity of the Sub Frequency Response: 24Hz 160Hz Sensitivity (1W/1M): 86.4dB Voice Coil: 1.50′ (3.81 cm) Magnet Weight: 27 oz. Mounting Depth: 5.44′ Cut Out Diameter: 11.08′ Volume Displacement (cu in): 30.92 cu in Sealed Enclosure Net Volume: 1.25 cu ft Vented Enclosure Net Volume: 2.00 cu ft