This is a set of car subwoofer. It comes with two 12 inch subwoofers, a 500 watt car amplifier and with a enclosure box. So you don’t need to buy any additional thing for this sub.

learn more: Best Shallow Mount Subwoofer – Guide & Reviews -...
#best_8_inch_car_subwoofer
#best_8_car_subwoofer
#best_12_inch_shallow_mount_subwoofer
#pioneer_shallow_sub_review