Seismic Audio - 10" Raw Woofer/Speaker  PRO AUDIO /PA/DJ Replacement Speaker Model #: Seismic Audio - Quake 10 Type: 10" Woofer/Speaker. Power RMS: 125 Watts. Power Peak: 250 Watts Frequency Response: 65-5K Hz. Sensitivity: 98 db. Magnet: 50 oz. Voice Coil: 2" Impedance: 8 Ohm. Pressed Steel Chassis. Paper cone This speaker is brand new. One year warranty.