Seismic Audio Q 15 Pair 2 of 15-Inch Raw Speakers Woofers Replacement Pro Audio PA/DJ Model #: Seismic Audio - Quake 15 (Set of 2) Type: 15" Woofer/Speaker. Power RMS: 250 Watts. Power Peak: 500 Watts Frequency Response: 50-5K Hz. Sensitivity: 95 db. Magnet: 50 oz. Voice Coil: 2.5 Impedance: 8 Ohm. Pressed Steel Chassis. Paper cone. These speakers are brand new. One year warranty