Seismic Audio - Pair (2) of 15" Raw Woofers/Speakers/Pro Audio - PA DJ 400 Watts each Replacement Speakers Model #: Seismic Audio - Earth Shaker 15 (Set of 2) Type: 15" Woofer/Speaker. Power RMS: 400 Watts. Power Peak: 800 Watts Frequency Response: 40-5K Hz. Sensitivity: 97 db. Magnet: 80 oz. Voice Coil: 3 Impedance: 8 Ohm. Die Cast Aluminum Chassis. Paper cone These speakers are brand new. One year warranty.