Marine Amplifiers

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Marine amplifiers deliver clean, corrosion-resistant power to speakers and subwoofers on boats, RIBs and open-deck installs where salt spray and damp air punish standard car audio kit. At Bass Junkies we stock JL Audio Class-D marine amps with conformal-coated boards, stainless hardware and efficient thermals for tight cabin locations. Choose monoblock, four-channel or six-channel options to run tower speakers, coaxials and marine subs with plenty of headroom for outdoor listening. Fitted, tested and shipped from our Wolverhampton workshop.

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Choosing a marine amplifier for your boat, RIB or watercraft

A marine amplifier is the backbone of any waterproof audio build. Unlike standard car amps, marine class-D units are engineered to survive salt spray, UV exposure, temperature swings and the constant vibration of an open-deck environment. Bass Junkies stocks JL Audio marine amplifiers designed to keep clean, distortion-free power flowing to tower speakers, coaxials and marine subs whether you are cruising, wakeboarding or dockside for a summer party in 2026.

Marine amp channel counts explained

The right channel count depends on the number of speakers on board and whether you plan to add a marine subwoofer. Wire up a small runabout differently to a large centre-console rig with tower speakers and dual subs.

Power ratings and matching speakers

Match RMS power to your speakers rather than chasing peak numbers on the box. Under-powered amps clip and destroy voice coils, over-powered amps damage cones. Aim for an amp rated at roughly the RMS of each speaker at the correct impedance, then set the gain by ear or with an oscilloscope. If in doubt, our Wolverhampton workshop team will spec the pairing for you.

Waterproofing, corrosion and mounting

Marine amplifiers are built differently to car amps. Look for conformal-coated circuit boards, stainless steel hardware, sealed input covers and UV-stable plastics. Even the best marine amp still benefits from a sheltered mount away from direct spray, ideally under the helm, inside a locker or behind a bulkhead with airflow around the heatsink.

Compatibility and fitting

A tidy marine install needs the right supporting parts. Order these alongside your amplifier so the boat is ready to fire on day one.

Brand quality at a glance

Bass Junkies specialises in marine amplifiers from proven manufacturers with a track record on UK waters.

Installation tips from our workshop

Delivery, warranty and workshop fitting

Every marine amplifier sold by Bass Junkies is shipped from our Wolverhampton warehouse with UK next working day dispatch on in-stock lines. All units carry full manufacturer warranty. Bring your boat or trailer to our workshop for professional fitting, or order online for delivery to your yard or marina anywhere in the UK.

Why buy from Bass Junkies

Bass Junkies has been fitting car and marine audio since 1995 from our Wolverhampton workshop. Call our team on 01902 863 005 for advice on channel counts, waterproofing and system layout, or order online with confidence knowing you are backed by three decades of installation experience.