Marine Audio Journal

OceanRock Audio - 20 August - 2026

Six Fusion Stereos, One Confusing Model Chart: Here's the Actual Difference

MS-RA70, RA210, SRX400, RA670, RA770, RA800. The names alone don't tell you what you're actually paying for at each step up.

OceanRock Audio - 20 August - 2026

What $815.75 Actually Buys You in a DS18 Marine Audio System

Not a "starting at" price with fine print. Here's a real 4-speaker, 2-zone DS18 system, every part named, every price added up, that you could order right now.

OceanRock Audio - 19 August - 2026

63 Pounds of Power or 34 Pounds of Refinement: Two Flagship Tower Speakers

Kicker's flagship tower speaker rates 300W RMS and weighs as much as a small subwoofer box. JL Audio's flagship weighs half that and leans on driver engineering instead of raw power handling.

OceanRock Audio - 19 August - 2026

Told Kicker "Doesn't Do Garmin"? Here's the Real Answer

Two shops told a Garmin boat owner to switch to Fusion for chartplotter integration. Both Kicker and Fusion actually support it, at very different price points and feature sets.

OceanRock Audio - 19 August - 2026

The Most Power Per Channel of Any 4-Channel Amp Kicker Makes

The KXMA500.4 and KMA600.4 both top out well under 100W per channel at 4-ohm. The KXMA800.4 doesn't, and that's the whole reason to pay more for it.

OceanRock Audio - 18 August - 2026

The $40 Knob That Saves You From Climbing Back to the Amp

Every mono sub amp has a gain knob buried somewhere hard to reach. This wired remote moves that adjustment to the dash instead.