FUSION MS-AB206 Powered marine subwoofer for cabin systems at Crutchfield.com
Fusion msAb206- subwoofer and there are companion small box speakers that wire directly to the subwoofer which also acts as an amplifier for the speakers
FUSION MS-BX3020 2-way marine cabin speakers at Crutchfield.com
I didn't want to drill 5" holes above the driver and passenger - these mount to the frame at the back of the overhead cabinets.
We ran power from the batteries in the rear
I had a stereo shop install the subwoofer and two speakers- $200.
The sub/amplifier was mounted at the front of the passenger foot well/
We wired the power auto on feature also which tirns the subwoofer off and on when the jensen head unit is turned on and off. I had to change thr setting to disable the time of day display when the radio is turned off.