4 Gauge Amplifier Installation Kithere's the HU that replaced mine: JVC Arsenal KD-A925BT Car Stereo CD/MP3 Player w/ Bluetooth, USB
5.25: Polk Audio db521 5-1/4" 2-way Speakers (Marine Certified) (db 521)6x9: Polk Audio db691 6" x 9" 3-way Speakers (Marine Certified) dbpersonally the stock is sounds plenty good on the aftermarket HU and i have to point in doing a rear deck (cancellation, no ones ever back there, and front do a good job)
box even though a flat responce 20hz ported box would sound much cleaner and be slightly louder. you want sealed: Sonic Sub Boxes 1H10-0.7-BLACK (1h1007-black) Single 10" just add pollyfill to make the sub think the box is bigger.
