LED Color Changing Speaker Light Subwoofer Ring 10" JL Marine Audio Mastercraft Our LED Rings are easy to install and ready to go! These rings are made with high quality WATERPROOF SMD LEDs. Rings are made to be installed between the Sub and mounting surface. Our Rings have PRE-DRILLED holes, made to fit screw points of Most 10" Subs. Also, our rings are COLOR CHANGING. Not just white, blue, green or red, but EVERY color in between ( when installed using a controller).