Kicker 40CWRT121 CompRT shallow-mount 12" subwoofer with dual 1-ohm voice coils at Crutchfield
Amazon.com: Kicker Compatible with Universal Car 43VCWR122 CompR Single 12" Subwoofer 500W Loaded Enclosure with Kicker CXA800.1 Amplifier : Electronics
Kicker 12" Dual Subwoofer Box With Kicker CXA400.1 Mono Amplifier
Kicker CompRT 43CWRT121 CompRT shallow-mount 12" subwoofer with dual 1-ohm voice coils at Crutchfield
Universal Car Stereo Vented Port Single 12 Kicker Comp C12 Sub Box & CXA4001 Amp | eBay
Universal Regular Cab Truck Kicker Comp C12 Dual 12" Loaded Sub Box Bundle with Kicker CXA800.1 Amp & Install...