15in., Solo Baric, L7S, subwoofer features an injection molded polypropylene cone, large diameter spider, ribbed Santoprene surround with blue stitching, dual 4 ohm voice coils, large ceramic magnet, cast aluminum basket, spring loaded, satin nickel plated speaker terminals, SoloKon 360 degree back bracing and corner ribs that decrease distortion. 1000W RMS|2000W Max. power handling.