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JL Audio
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Product Description

The JL Audio MX600/3 (010-03326-00) is a 600-watt 3-channel marine and powersports amplifier engineered for motorcycles, boats, ATVs, UTVs, and utility vehicles.

Featuring NexD™ high-speed Class-D switching technology, this ultra-compact, IPX7 waterproof amplifier delivers 75W x 2 + 250W x 1 at 4 ohms or 100W x 2 + 400W x 1 at 2 ohms (14.4V), making it the perfect all-in-one solution for powering full-range speakers and a subwoofer from a single chassis.

Built with a corrosion-resistant cast aluminum housing, powder-coated finish, gasketed control cover, and stainless steel hardware, the MX600/3 is designed for harsh marine and off-road environments.

Class-D 3-Channel Marine & Powersports Amplifier

• 600 watts total system power
• 75W x 2 + 250W x 1 @ 4Ω (14.4V)
• 100W x 2 + 400W x 1 @ 2Ω (14.4V)
• NexD™ high-speed switching Class-D design for high efficiency and low current draw
• Ideal for boats, wake towers, motorcycles, ATVs, UTVs, and compact audio builds
• All-in-one amplifier design powers speakers and subwoofer from one chassis

IPX7 Waterproof & Built for Harsh Environments

• IPX7 water-resistance rating (protected against temporary immersion)
• Corrosion-resistant cast aluminum chassis
• Rugged powder-coated finish
• Gasketed top cover protects controls from moisture
• Stainless steel hardware for marine durability
• Compact footprint for tight installation spaces

Perfect for saltwater marine environments, exposed motorcycle installs, and off-road powersports applications.

Advanced Audio Control & Tuning Features

• 12 dB / octave high-pass crossover for main channels
• 24 dB / octave low-pass crossover for subwoofer channel
• Variable infrasonic filter for subwoofer protection
• Bass Boost EQ for enhanced low-frequency output
• Subwoofer output polarity switch
• Dual-range differential-balanced inputs accept line-level or high-power speaker-level signals

This flexible tuning system allows seamless integration with factory radios or aftermarket head units.

Efficient Power Without Straining Charging Systems

The MX600/3 is engineered specifically for small electrical systems commonly found in motorcycles and powersports vehicles. JL Audio’s NexD™ switching technology maximizes output while minimizing heat and current draw, reducing strain on batteries and charging systems.

Compact All-In-One Audio Solution

Generate powerful full-range sound and deep bass from a single amplifier. The MX600/3 eliminates the need for multiple amps in small installs, making it ideal for:

• Motorcycle fairing speaker systems
• Boat cockpit speaker + subwoofer setups
• UTV / side-by-side audio systems
• Compact marine audio upgrades

Technical Specifications

• Total Power Output: 600 watts
• Power @ 4Ω: 75W x 2 + 250W x 1 (14.4V)
• Power @ 2Ω: 100W x 2 + 400W x 1 (14.4V)
• Amplifier Design: NexD™ Class-D
• Channels: 3
• Water Resistance Rating: IPX7
• Crossover Slopes: 12 dB / octave (HP), 24 dB / octave (LP)
• Input Compatibility: Line-level & high-power speaker-level
• Finish: Powder-coated
• Hardware: Stainless steel

What’s Included in the Box

• JL Audio MX600/3 3-channel amplifier
• Mounting hardware
• Owner’s manual / documentation

Warranty & Installation

• Manufacturer Warranty: 2-Year Limited Warranty (when purchased from an authorized retailer)
• Designed for professional or experienced DIY installation
• Ideal for 12V electrical systems


Owner's Manual (pdf)

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Warranty
Contact the Manufacturer directly to check your Warranty Information.

Warranties will cover many manufacturing defects or issues with materials and workmanship.
If you experience any problems with your item within the Warranty Period, please contact Manufacturers directly. 

If you need assistance in how to reach the correct Manufacturer, reach out to our customer service team for assistance. 

Have more questions? Visit our FAQs Page to learn more!

Shipping
We offer several shipping options to meet your needs, including standard shipping, expedited shipping, and express shipping.

During checkout, you can select your preferred shipping method and see the estimated delivery times and costs.

Across the board, orders $99+ typically qualify for FREE Shipping. However, exclusions may apply to certain products, like Hazardous Materials, oversized items, and even products that ship directly from Vendors, etc. 

You can read our full Shipping Policy here or even visit our FAQs Page for assistance with quick, common questions.
Support
Need help? Jump into our live chat—look for the icon at the bottom of your screen!

For any other way to connect with us, head over to our Contact page to find the perfect way to reach a Suncoast team member.
Need Professional Installation?
Mobile installation services are available in select Southwest Florida areasContact us to confirm availability.
Let our pros handle the install.

We offer mobile marine installation services for boat owners in our local Southwest Florida service area. From amplifiers and speakers to marine electronics, seating and power systems, and more.. Our technicians come directly to your boat—at the dock, marina, or your home.

✔ Marine electronics & audio installation
✔ Power systems, batteries & chargers
✔ Clean wiring, tuning & system setup and more..
✔ Trusted by local boat owners

For safety, proper alignment, and to avoid damage or warranty issues, we strongly recommend professional installation by a qualified Marine Technician.

Improper installation may void warranties or cause instability.
Call for Installation Help
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