Rockford Fosgate T1D215 Power 15" Dual 2-Ohm Subwoofer Head Units The M1-6B is built for

The M1-6B is built for open-air environments exposed to sun

and other secondary control locations

or bridge it into a 4-ohm subwoofer setup when appropriate

front-and-rear speaker systems

mounting bracket

Rockford Fosgate T1D215 Power 15" Dual 2-Ohm Subwoofer Head Units The M1-6B is built forThe Rockford Fosgate T1D215 is a 15 inch Power Series subwoofer designed for vehicle systems that need substantial low frequency output from a single driver. Its dual 2 ohm voice coil design provides wiring flexibility for matching a compatible mono or multi channel amplifier. It is intended for a properly designed sealed or vented enclosure rather than direct installation into a factory speaker location. With a 1,000 watt RMS power rating and 2,000