Seismic Audio - NEW 12" Raw Woofer/Speaker PA/DJ - Replacement Driver PRO AUDIO Model #: Seismic Audio - Earth Shaker 12 Type: 12" Woofer/Speaker. Power RMS: 250 Watts. Power Peak: 500 Watts Frequency Response: 45-5K Hz. Sensitivity: 96 db. Magnet: 50 oz. Voice Coil: 2.5" Impedance: 8 Ohm. Die Cast Aluminum Chassis. Paper cone This speaker is brand new. One year warranty.