This model features a 1" high temperature ASV voice coil and 20 oz. magnet structure. Also included is a 1" neodymium film dome midrange and a 3/4" piezo tweeter, making this a three-way "triaxial" speaker system. This is a standard 5.25" size speaker designed to fit OEM locations, and is sold as a pair. The overall frequency response is 100Hz - 20 kHz, with 100 W RMS and 200 W Max. Includes grills, wires and mounting hardware.