Kenwood Excelon P-XW1002B 10" Subwoofer with Sealed Down-Firing Enclosure Excellence from Excelon Kenwood's Excelon Series mobile audio components feature their highest level of technology in advanced designs that give you the great sound and quality you expect from Kenwood. Their subwoofer enclosures are built to last, with solid enclosures and subs made to kick out the jams. Subs built to dish it out The P-XW1002B enclosure comes loaded with one 10" 4-ohm Excelon Series shallow-mount subwoofer. The sub's cone is made from an advanced carbon glass fiber honeycomb material to give you clear, rich bass at high volume levels. The speaker is designed to dissipate heat generated by extended high-powered use, and features a die-cast aluminum basket that keeps everything steady. A box made to take it The rugged enclosure is built from 5/8" MDF with a 3/4" thick internal baffle to give the sub solid support. The enclosure's down-firing design allows it to fit under many truck and SUV seats. I