Rockford Fosgate RM110D2B 10" Marine Subwoofer - Black Gravity This format is useful for

This format is useful for connecting portable players

An adjustable mounting track and included mounting kit support roll-cage installation

and bridgeable output allow it to adapt as system needs change

and route speaker wire away from high-current vehicle wiring

Four 8-Inch Speakers: Uses four M2-8HB horn-loaded 2-way Color Optix speakers

Rockford Fosgate RM110D2B 10" Marine Subwoofer - Black Gravity This format is useful forThe Rockford Fosgate RM110D2B is a black 10 inch marine grade subwoofer designed to add dedicated low frequency output to boat, UTV, and other outdoor audio systems. It helps systems that sound thin or lack bass by handling the lowest musical frequencies separately from full range speakers. Its dual 2 ohm voice coil design gives installers wiring flexibility when matching it to a compatible amplifier. This subwoofer is intended for listeners building