The L8400P delivers all the low-frequency impact and excitement required by today's high-definition video and music formats by incorporating technology originally developed for the most demanding professional applications. The 12'' driver features a cast-aluminum frame and a massive HeatScape motor structure with Symmetrical Field Geometry combined with JBL's exclusive PolyPlas cone to deliver deep, powerful and bone-crushing bass.The L8400P is available in a choice of attractive black ash, beech or cherry finish.