Punch Marine 600瓦 4聲道擴大機

Installed this in my ski boat back in April and the Class a/b sound is crisp even with the engine running. The conformal coating already survived a splash from a wakeboard rope pull, so I’m confident it’ll hold up to the salt air all season.

The conformal coated board is exactly what you need in a saltwater environment—no corrosion worries after a season of spray. Ran it at 4 ohms for hours and it stayed cool, pushing my cabin speakers clean and loud with zero hiccups.

Installed this in my boat's console last weekend and the Class A/B sound is clean even with the engine running. The conformal coating on the board gives me peace of mind against the salt spray, and setup was straightforward with the four channels.