Kicker 48KXMA500.4

Kicker's KXMA500.4 marine 4-channel amplifier will bring brilliance and clarity to your sound, powering four speakers with 75 watts RMS each. This reliable and compact KXM Series rocker will run cool even when pushed hard, thanks to its high-mass heatsink, high-tech internal components, and efficient full-range Class-D amp technology. Building a big system piece-by-piece? You could start by using this amp in 2-channel mode to drive a couple subs with 250 watts each, and then later switch the amp back to 4-channel mode to power your speakers when you get a bigger amp for the subs. The KXMA500.4 features a conformal coated circuit board for improved water and dust resistance, plus corrosion-resistant power connections, a gasket-sealed front cover, and stainless steel mounting hardware that won't rust all over your boat's gel coat or carpeting. Kicker employs their Fail-Safe Integration Technology (FIT2™) to reject noise and stop any interference generated by your boat's electronics, so you'll enjoy your musi...