Rockford Fosgate M1D4-8B Signal Processors Please enter your vehicle information

Please enter your vehicle information or call an Advisor at 1-888-955-6000 to find out if these adapters are compatible with your vehicle

it's four times more effective than original Dynamat in reducing noise

Wet bonded 2

45 in / 37 mm Mounting Hole Diameter (D) 7

Rockford Fosgate M1D4-8B Signal Processors Please enter your vehicle informationThe M1D4 8B Color Optix 8 DVC 4 Ohm subwoofers deliver loud, clear, accurate bass, and light the way for your journey! The subwoofers connect with the Rockford Fosgate Color Optix Controller and RF Connect App, allowing you to customize your own color patterns. The Element Ready design and IPX6 certification makes them truly purpose built for marine or motorsport applications where protection from damaging UV rays and water spray is essential. The M1