Kicker 52CVR124 CompVR® 12" subwoofer with dual 4-ohm voice coils remotecontrol 2nd order high-pass filter is

2nd order high-pass filter is employed to further enhance smoothness and improve power handling

the woofers use Alpine's one-of-a-kind HAMR surround to get the best possible bass out of their slim 4" profile

Smartphone Features: (see Details for info on compatibility with specific smartphones and apps):

portable media players

then put the grille in place on the subwoofer and replace the subwoofer's trim ring

Kicker 52CVR124 CompVR® 12" subwoofer with dual 4-ohm voice coils remotecontrol 2nd order high-pass filter isProduct info: 12" subwoofer with dual 4 ohm voice coils injection molded polypropylene cone ribbed Santoprene rubber surround power handling: 225 450 watts RMS (225 watts per coil) 900 watts peak power handling frequency response: 25 500 Hz sensitivity: 86. 9 dB top mount depth: 6 3 8" sealed box volume: 1. 0 4. 6 cu. ft. ported box volume: 1. 75 2. 25 cu. ft. grille not included warranty: 1 year