Compatible with JL AUDIO MARINE 7.7 M770 MX770 LED Speaker Light RINGS Our rings are designed to be Compatible with the JL 7.7" Marine Speakers Models, M770 and MX770. Please Do your research first and you will find that this is the BEST BANG FOR YOU BUCK others change the Double or more for most of the time a single color ring where are is RGB ( Red, Blue and Green) at half the cost. These rings are made with high quality WATERPROOF SMD LEDs, these are the brightest LEDs available, which are backed by our TEN YEAR WARRANTY*. Rings are made to be installed between the Speaker and mounting surface, to give your boat a unique lighting feature. These can be mixed up by using our controller Set (not included in this auction) to create Millions of colors at a touch of a button on a wireless remote. Also if you chose to add the remote control than you will be able to wire all led rings into one controller. FEATURES: Our Rings have PRE-DRILLED holes, made to fit screw points of the JL speakers listed above. Avoiding cracking and breaking of drilling them yourself. Also, our rings are COLOR CHANGING. Not just white, blue, green or red, but EVERY color in between ( when installed using a controller).