⚓ Memphis MX400.4 Marine Amplifier – Serious Sound on Open Waters 🎶
Take your boat’s audio system to the next level with the Memphis MX400.4 marine amplifier. Built for marine conditions, this 4-channel powerhouse delivers clean, rich sound without compromise. Whether you're cruising lakes or partying on the sandbar, the MX400.4 keeps the vibes going with premium marine-grade performance.
This amplifier isn’t just water-resistant—it’s purpose-built for boats, ATVs, and other powersports vehicles. Designed by Memphis Audio, it’s the perfect blend of compact power and all-weather reliability.
With compact power, weatherproof engineering, and flexible tuning, the Memphis MX400.4 marine amplifier is the smart choice for serious marine audio. Whether you’re upgrading your fishing boat, pontoon, or wakeboard vessel, this amp delivers the durability and clean power your setup deserves. Visit Audio Jam today and let our experts help you transform your watercraft into a floating concert stage, fully equipped with premium sound and professional installation support that lasts season after season.
💥 Big Sound in a Compact Footprint
Don’t let its size fool you—the MX400.4 delivers incredible output for its class. You’ll enjoy crisp highs, clean mids, and the volume to match the moment.
Performance Specs:
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4 x 50 watts RMS @ 4 ohms
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4 x 75 watts RMS @ 2 ohms
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2 x 150 watts RMS bridged @ 4 ohms
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Class D high-efficiency design
This marine amplifier can run four speakers or two speakers and a sub, depending on your setup. It's flexible enough to build around.
🛡️ Built for Harsh Environments
Marine audio requires more than power—it demands durability. The Memphis MX400.4 features sealed connectors and a weather-resistant design to withstand saltwater, sun, and moisture.
Marine-Grade Construction Highlights:
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Conformal-coated circuit board
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Compact, sealed aluminum chassis
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IP66 weather-resistant rating
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Stainless steel hardware
Install this marine amplifier in tight spaces without worrying about heat or corrosion. It’s built to last.
🔧 Easy Setup, Total Control
Whether you're a DIY boater or working with an installer, the MX400.4 makes integration simple. Tuning and connection options are straightforward and reliable.
Key Features:
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Selectable high- and low-pass crossovers
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Adjustable gain controls for each channel pair
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Compact plug-and-play wire terminals
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Signal-sensing auto turn-on
Everything you need for optimal tuning is built right in. Spend less time wiring and more time on the water.
🔄 Expand Your System with Confidence
Already have a marine head unit and a set of coaxials? The MX400.4 is the perfect upgrade path. It’s also a great match with other Memphis Audio components. If you’re building a multi-zone system, use one MX400.4 for cabin speakers and another for tower speakers or subwoofers.
Need help choosing the right setup? Explore our full marine amplifier collection to find the best options for your watercraft.
🧼 Finish the Package with Window Tinting
While you’re upgrading your boat’s sound, don’t forget about protecting your ride on land. Add professional car window tinting to reduce interior heat and UV exposure. It’s a great way to improve comfort and appearance.
🛠️ Installed by Pros, Powered by Memphis
At Audio Jam in Bear, Delaware, we specialize in professional marine audio installations. From simple speaker swaps to full system upgrades, we offer everything you need to rock the waves.
📍 Visit us in Bear, DE
📞 Call (302) 832-2868 for a custom install quote
We’ll make sure your boat sounds better than ever—and keeps performing season after season.
❓ Frequently Asked Questions
Q1: Can I run subwoofers with the MX400.4?
Yes. Bridge the channels to power subwoofers or pair it with a mono marine amp.
Q2: How water-resistant is the MX400.4?
It carries an IP66 rating, making it highly resistant to water, moisture, and salt spray.
Q3: What kind of speakers work best?
4-ohm or 2-ohm marine speakers from Memphis or similar brands pair perfectly with the MX400.4.
