Kenwood Excelon KFC-XW1200F Shallow-Mount 12" 4-ohm Subwoofer The Kenwood Excelon KFC-XW1200F 12" "flat" subwoofer produces serious bass output in the hard-to-fit areas of your compact car or truck. And this shallow-mount sub measures less than 4" deep, so you can get creative with your installation. The carbon-glass fiber cone employs a honeycomb pattern to deliver quick response in demanding conditions without flexing. The beefed-up rubber surround maintains control over the cone, minimizing d