The M1-65B Color Optix 2-way 6.5-inch speakers deliver loud . clear . accurate sound . and light the way for your journey! The M1-65B speakers are designed to pair with the Rockford Fosgate Color Optix Controller and RF Connect App . allowing you to choose from 30 different color scrolling options or choose any fixed color from the color wheel (PMX-RGB Color Optix Controller sold separately). The speed and brightness can also be dialed in to compliment and customize every installation.The Element Ready design and IP67 certification makes these speakers truly purpose-built for marine or motorsport applications where protection from damaging UV rays and water spray is essential. The Color Optix series creates a true marine ecosystem . utilizing Deutsch and Amphenol connections . to provide advanced marine plug-and-play connectivity.The M1-65B speaker come as a pair . in all black . with an attached grill design for easy mounting. They not only provide rich . reliable illumination with their ultra-bright . wide-angle LED lighting . but the sonic performance will impress even more. The 6.5-inch speakers provide exceptional low and midrange frequency reproduction with a 1-inch grill integrated dome tweeter providing crystal clear highs.