The 18" PL1890BL is the largest woofer available in Pyle Audios Blue Wave series of car audio subwoofers. The Blue Wave series is intended to give car owners a higher quality sound and an affordable cost. As the name suggests, all the models in the Blue Wave series feature an injection molded cone that is blue in color, and even features a blue chrome-plated steel basket. Some of the functional features include non-fatiguing big rubber suspension, a bumped vented pole piece, silver plated terminal and 3" high temperature dual kapton voice coil. The PL1890BL has a 1800 W maximum power handling and has an 8.80" mounting depth.