18" Raw Sub Woofer Speaker - Model #: New Madrid, Type: 18" Woofer/Speaker, Power RMS: 750 Watts, Power Peak: 1500 Watts, Frequency Response: 25Hz-2K Hz, Sensitivity: 102 db., Magnet: 2x120 oz. (240 oz. total), Voice Coil: 4", Impedance: 8 Ohm, Die Cast Aluminum Chassis, Paper cone, Cloth Edge, Weight: 43 lbs. each, This driver is brand new., One year warranty , Listing is for one driver. You will receive one woofer pictured and described above. Each woofer has the specs listed above. These produce an awesome tone, with great lows, giving you that deep extra bass., Uses include, but are not limited to: Build your own speaker cabinets, Replace old woofers.