Audiopipe TXX-BDC-IV-10D2 10" 1800W Peak Dual 2-Ohm Quad Stack Car SubwooferBRAND NEW AUDIOPIPE TXX BDC IV 10D2 10 Inch 1800 Watts Peak Dual 2 Ohm Quad Stack Composite Cone Subwoofer Audiopipe's Quad Stack Composite Cone Subwoofer was designed to add BIG power to your car audio system! We listened to our fans and created this series to feature 1800 watts peak power, increased voice coil ventilation, and a Kevlar Fiber Composite Non press Paper Cone with Texture finish for improved rigidity and performance. The newly designed