Seismic Audio Q 15 Sub 15-Inch PA DJ Replacement Raw Subwoofers/Woofers/Speakers Model #: Seismic Audio - Quake 15 (Set of 2) Type: 15" Woofer/Speaker. Power RMS: 500 Watts. Power Peak: 1000 Watts Frequency Response: 30-2.5K Hz. Sensitivity: 90 db. Magnet: 70 oz. Voice Coil: 3 Impedance: 8 Ohm. Pressed Steel Chassis. Paper cone These speakers are brand new. One year warranty