JL Audio JL Audio C1-650

Each JL Audio C1 woofer features a mineral-filled, injection-molded polypropylene cone with a rubber surround. These speakers are marketed as 6½"; the woofers will fit in standard 6½" speaker openings, but do not use the standard 6½" speaker bolt pattern. In order to install them in standard 6½" speaker openings you must drill new screw holes. If new holes are drilled in the mounting surface of the car, no bracket is needed. If drilling in the car is not an option, the included brackets can be used, whic...