Rockford Fosgate M2D4-12I 12" DVC 4-Ohm Color Optix™ Infinite Baffle Marine Subwoofer Color:Black Element Ready (water

Element Ready (water

this is where you begin

and you are changing to a HYDURS you will need an H4 Decoder to keep the bike from setting fault codes in the computer

Whole system

Rockford Fosgate M2D4-12I 12" DVC 4-Ohm Color Optix™ Infinite Baffle Marine Subwoofer Color:Black Element Ready (waterOverview Big bass. No box. The Rockford Fosgate M2D4 12I is a 12" infinite baffle marine subwoofer built for clean installs where you dont have space for an enclosure. It delivers strong, full low end using the mounting surface as the enclosure. What It Is A free air (infinite baffle) marine subwoofer. 12" subwoofer Dual 4 ohm voice coils Switchable impedance (2 or 8) Designed specifically for infinite baffle installs No box, no wasted spacejust mount