The PMX-RGB Color Optix™ controller provides LED lighting control over M1 & M2 speakers and subwoofers. This allows you to create a true marine ecosystem that works together seamlessly. Pair this with our RF Connect™ smartphone app and give your system infinite control by customizing the color and lighting effects of your speakers. Supports up to 8 speakers or subwoofers. App supports multiple Color Optix™ controllers.