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Memphis MX800.4 Marine Amplifier – Rugged 4-Channel Power

🚤 Memphis MX800.4 Marine Amplifier – Make Waves with Superior Sound 🌊 Ready to upgrade your boat’s...
Vendor: Memphis
SKU: MX800.4
Availability: Out Of Stock
Product Type: Marine Audio Speaker, Marine Audio System
$419.95
$449.95
$419.95
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mx800 4 marine amplifier bear de

Memphis MX800.4 Marine Amplifier – Rugged 4-Channel Power

$449.95 $419.95

Memphis MX800.4 Marine Amplifier – Rugged 4-Channel Power

$449.95 $419.95

🚤 Memphis MX800.4 Marine Amplifier – Make Waves with Superior Sound 🌊

Ready to upgrade your boat’s sound with more power and clarity? The Memphis MX800.4 marine amplifier is built for you. Whether you’re cruising the bay or anchored at a party cove, this four-channel amplifier packs the power to keep your music bold and clean.

Marine environments are unforgiving. That’s why the MX800.4 features weather-resistant construction, a compact footprint, and marine-grade reliability. It’s engineered for saltwater, sun, and splashes—without compromising audio performance. 

The Memphis MX800.4 marine amplifier is your go-to choice for powerful sound and reliable performance in marine environments. Don’t settle for quiet. Upgrade today and experience bold, high-fidelity sound that dominates the open water and keeps your crew entertained. Whether you're out for a quick cruise or hosting a weekend party on the lake, this amplifier ensures your audio remains crisp, clear, and commanding. Combine it with our professional installation at Audio Jam and enjoy every outing with confidence and incredible sound that turns heads.


🔊 High Power, Clear Sound

The MX800.4 delivers up to 800 watts of clean, efficient power across four channels. That’s enough to drive your full speaker setup or a combination of mids and highs.

Amplifier Specs:

  • 4 x 100 watts RMS @ 4 ohms

  • 4 x 150 watts RMS @ 2 ohms

  • 2 x 300 watts bridged @ 4 ohms

  • Class D efficiency for reduced heat buildup

From tower speakers to coaxials, this marine amplifier provides all the power you need—without distortion or draining your battery.


💦 Marine-Ready Construction

Built tough for marine use, the MX800.4 includes all the protections and coatings necessary to handle life on the water. It's designed with sealed terminals and durable materials that resist salt, moisture, and UV damage.

Durability Highlights:

  • Conformal-coated internal circuit boards

  • Compact aluminum chassis for corrosion resistance

  • IP66-rated weather resistance

  • Stainless steel hardware and connectors

This amplifier is perfect for boats, ATVs, and powersport vehicles exposed to tough outdoor conditions.


⚙️ Easy Integration and Tuning

The Memphis MX800.4 gives you complete control over your system. With simple crossover adjustments and gain settings, you can tailor the sound to your exact needs.

Tuning and Features:

  • Selectable high-pass and low-pass filters

  • Independent gain control for front and rear channels

  • Signal-sensing auto turn-on

  • Plug-and-play terminals for fast installation

Pair it with a marine head unit or DSP controller for a clean, pro-level setup that rocks all day.


🔄 Upgrade-Ready System Design

Want to expand your sound later? No problem. The MX800.4 works seamlessly with other Memphis Audio amps for multi-zone audio builds. Combine it with a mono marine amp for subs or a second 4-channel for more speakers.

You’ll find the perfect upgrade path in our marine amplifier collection. Everything you need for building an elite marine sound system is right there.


🧼 Don’t Forget Your Windows

While you're upgrading your boat or vehicle audio, protect your ride on land too. Professional car window tinting helps keep interiors cool and protected from UV rays. It’s functional and sleek.


🎯 Why Choose Audio Jam?

At Audio Jam in Bear, Delaware, we specialize in marine audio systems that deliver professional results. Our installers are trained to work with marine-grade gear, ensuring reliability and performance. From boats to side-by-sides, we’ve got the gear and know-how.

📍 Visit us in Bear, DE
📞 Call (302) 832-2868 for expert advice and installation

We’ll help you get louder, cleaner sound—whether you're on land or water.


❓ Frequently Asked Questions

Q1: Can the MX800.4 power tower speakers?
Yes! It has the power and durability to run tower speakers at high volume.

Q2: Is the amplifier saltwater resistant?
Absolutely. It features conformal-coated circuitry and IP66-rated protection for harsh marine environments.

Q3: Can I bridge the channels for more power?
Yes, you can bridge it to deliver up to 300 watts per pair at 4 ohms.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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