The RPM10GRLB is designed for use with RPM104FA & RPM104SL 10-inch Marine Subwoofers. These LED-equipped grilles are molded from thick ABS plastic. Ideal for both fresh and salt water, the RPM10GRLB waterproof grill provides years of protection. With the featured built in LEDs, you can also give your boat or UTV an added flair and customization. Use RPMRGB8A or RPMRGBLC (sold separately) for full LED color control, customization and different lighting modes. Specifications Fits: RPM104FA & RPM104SL LED-Equipped Subwoofer Grill Adjustable Brightness, Fade, Speed and Strobe Molded from Thick, ABS Plastic Provide Extra Protection for your Subwoofer Optional LED Remote for Color Customization (RPMRGBLC or RPMRGB8A) Sold Individually