Kenwood Excelon P-XW1221D Ported 2-ohm Dual Enclosure with Two 12" Subwoofers 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. The P-XW1221D comes loaded with two 12" Excelon Series subwoofers wired for 2 ohms total impedance. Each sub's polypropylene cone features a