🔊 JL Audio MHD600/4 Marine Amplifier – Clean Power for Open Waters
The JL Audio MHD600/4 marine amplifier brings elite audio power to your boat. This 4-channel Class D amp is built to thrive on the water. Whether you’re blasting music during a cruise or chilling dockside, it powers your marine stereo system with clarity and control.
Designed with weatherproof materials, this amplifier is compact, efficient, and delivers stunning output without draining your electrical system.
⚡ High-Performance Output in a Compact Chassis
The MHD600/4 marine amplifier delivers 150 watts RMS per channel at 2 or 4 ohms. Its NexD™ switching technology ensures high efficiency and minimal distortion. That means your music sounds clean even at high volume.
The compact size allows easy installation under seats, in consoles, or tight compartments. It stays cool even in enclosed areas thanks to intelligent thermal management.
Key Performance Features:
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4-channel Class D amplifier
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150 watts RMS x 4 @ 2/4 ohms
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NexD™ ultra-high-speed switching technology
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Compact, marine-grade aluminum chassis
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Differential-balanced inputs with noise rejection
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Compatible with full-range speakers and subs
🛠️ Built to Endure Harsh Marine Conditions
JL Audio engineered the MHD600/4 to withstand the extremes of the marine environment. The entire housing is sealed against salt, humidity, and spray. A conformal-coated circuit board protects sensitive electronics from corrosion.
All connectors are marine-grade and designed to prevent rust. Whether mounted in a cabin, console, or open helm, the MHD600/4 keeps your sound consistent.
Durability Highlights:
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Saltwater-ready aluminum alloy housing
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Conformal-coated circuit board
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Stainless steel hardware and terminals
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Moisture-resistant construction
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Vibration-resistant mounting system
🎛️ Flexible System Integration
The MHD600/4 features dual-range differential-balanced inputs for maximum compatibility. Whether you're connecting directly to a marine head unit or signal processor, it adapts easily.
It can power four speakers, two speakers and a sub, or be bridged for two high-powered channels. This flexibility makes it ideal for boats with evolving audio setups.
You can pair it with other MHD amps for a complete multi-zone marine stereo solution.
📦 Perfect for All Marine Audio Upgrades
Whether you’re outfitting a center console, pontoon, or wake boat, this amp fits your needs. It's compact enough to install discreetly but powerful enough to fill your vessel with rich sound.
Pair it with JL Audio marine speakers and subs for a perfectly matched system. Want to explore more? Check out our marine amplifier collection for full options and bundles.
🌞 Upgrade Protection with Marine Window Tint
Marine audio components benefit from cooler, protected interiors. High heat and UV rays damage your gear and boat cabin. Add car and marine window tinting to block harmful rays, reduce glare, and enhance comfort.
We recommend professional-grade marine tint for cabins and enclosed helms. It's salt-resistant, UV-stable, and long-lasting.
🔧 Installed by Marine Audio Experts at Audio Jam
Audio Jam’s expert team handles installation from wiring to waterproofing. We make sure every amplifier is tuned, mounted, and tested for optimal marine use.
We’ll integrate the MHD600/4 with your existing system or build you a custom package. Clean wiring, zone configuration, and component matching—it’s all taken care of.
Visit us to get marine audio that looks clean, sounds perfect, and lasts.
Audio Jam
227 Governor Place
Bear, DE 19701
📞 (302) 832-2868
🕒 Monday – Saturday, 10 AM – 6 PM
Call or stop by to get your marine system installed the right way.
❓ Frequently Asked Questions (FAQ)
Q1: Can this amp power a subwoofer and two speakers?
Yes. It can be configured to drive 2 speakers and a bridged subwoofer channel.
Q2: Is the MHD600/4 waterproof?
It is water-resistant and fully protected against salt, spray, and corrosion.
Q3: Does it work with non-JL Audio speakers?
Yes. It’s compatible with most marine speakers using standard input/output connections.
