The JL Audio MX500/1 Monoblock Wide-Range Amplifier (010-03325-00) is a 500-watt marine and powersports Class-D amplifier engineered for boats, motorcycles, ATVs, UTVs, and utility vehicles.
Delivering 500W x 1 at 2 ohms (14.4V, 1% THD) and 300W x 1 at 4 ohms, this compact, IPX7 waterproof marine amplifier is ideal for powering subwoofers in harsh saltwater, freshwater, and off-road environments.
Featuring JL Audio’s high-speed NexD™ switching technology, the MX500/1 provides clean, efficient output without overloading charging systems — perfect for marine stereo upgrades and powersports audio systems.
High-Output Marine & Powersports Performance
Designed specifically for marine and powersports applications, the MX500/1 packs serious subwoofer power into a compact, corrosion-resistant chassis.
• 500W x 1 @ 2 ohms (14.4V, 1% THD)
• 300W x 1 @ 4 ohms (14.4V, 1% THD)
• Monoblock (1-channel) amplifier design
• NexD™ high-speed switching Class-D technology
• Efficient design reduces strain on charging systems
• Ideal for marine subwoofers, motorcycle audio, ATV and UTV sound systems
Whether powering a single marine subwoofer or running multiple amplifiers in a system, the MX500/1 delivers deep, controlled bass in demanding environments.
IPX7 Waterproof & Built for Harsh Environments
Built to outperform standard car amplifiers in marine and off-road conditions.
• IPX7 water-resistance rating (protected against immersion up to 1 meter)
• Corrosion-resistant cast aluminum chassis
• Rugged powder-coated finish
• Gasketed control cover for moisture protection
• Stainless steel hardware for durability
This makes the MX500/1 ideal for saltwater boats, wake boats, center consoles, motorcycles, side-by-sides, and utility vehicles exposed to rain, spray, and vibration.
Advanced Audio Tuning & Control
Fine-tune your subwoofer system for maximum performance and clarity.
• Adjustable low-pass crossover
• Variable infrasonic filter
• Selectable bass boost EQ
• Output polarity switch
• Dual-range differential-balanced inputs
• Accepts line-level and high-power speaker-level signals
Add the optional M-RBC-1 remote bass control (sold separately) for convenient subwoofer level adjustment from the helm or driver’s seat.
Compact Size, Big Installation Flexibility
The MX500/1’s ultra-compact footprint allows installation in tight marine compartments, motorcycle fairings, and UTV storage areas.
• Small cast aluminum chassis for space-saving installs
• Efficient thermal management
• Designed for 12V electrical systems
Perfect for custom marine audio upgrades, stealth motorcycle installs, and high-output subwoofer builds.
Technical Specifications
• Channels: 1 (Monoblock)
• Amplifier Class: NexD™ Switching (Class-D)
• Power Output @ 2Ω: 500W x 1 (14.4V, 1% THD)
• Power Output @ 4Ω: 300W x 1 (14.4V, 1% THD)
• Water Rating: IPX7
• Designed for 12V electrical systems
What’s Included in the Box
• JL Audio MX500/1 Monoblock Amplifier
• Stainless steel mounting hardware
• Installation documentation
Warranty & Authenticity
• Genuine JL Audio product
• Manufacturer warranty included
• Backed by authorized retailer support
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.
