Marine Bass Powerhouse – JL Audio XDM1000/1 Monoblock Marine Amplifier

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Introduction

The JL Audio XDM1000/1 is a powerhouse monoblock marine amplifier built to fuel your boat’s subwoofer system with serious power and precision. Designed with cutting-edge NexD™ switching technology and rugged marine-rated construction, this amplifier is engineered for maximum output, clean signal, and long-lasting durability in the toughest aquatic environments. Whether you're pounding waves or anchored at the dock, the XDM1000/1 brings the deep, tight bass your marine audio system deserves.

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Massive Power Output in a Compact Package

Don’t let its size fool you — the XDM1000/1 packs a massive 1,000 watts of RMS power into a sleek, marine-grade chassis. Optimized for subwoofer duty, this Class D monoblock amp efficiently delivers thunderous bass without overloading your boat’s electrical system. It’s perfect for driving a single high-power sub or a pair of subwoofers wired to 2 ohms, making it an ideal centerpiece for high-performance marine bass systems.

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NexD™ Switching Technology for High Efficiency

At the heart of the XDM1000/1 is JL Audio’s NexD™ Class D amplification platform. This advanced switching design delivers clean, powerful audio with ultra-low distortion and outstanding thermal efficiency. NexD™ keeps the amp cool and stable even when pushed hard, allowing you to enjoy high-volume listening without compromise. It’s one of the most efficient marine amps on the water.

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Built to Brave the Harsh Marine Environment

Like every amp in JL Audio’s marine lineup, the XDM1000/1 is built for battle. It features a corrosion-resistant cast alloy chassis, marine-grade stainless steel hardware, and gasket-sealed controls to protect sensitive internals from moisture and salt. Every component is selected for long-term reliability in the marine environment, from the high-efficiency power supply to the robust output stages.

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Tuned for Bass – With Total Control

The XDM1000/1 includes a variable low-pass crossover, subsonic filter, and bass boost circuit, allowing you to dial in your subwoofer’s performance to match your enclosure and listening preferences. Add an optional HD-RLC remote level control to adjust bass volume from the helm or cabin in real-time. Whether you want smooth low-end or heart-thumping punch, this amp gives you full control over your bass.

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Flexible System Integration

With its 2-ohm stability and high output, the XDM1000/1 can be configured in a variety of subwoofer setups. It integrates easily with JL Audio subwoofers like the M3, M6, or M7 series, and works seamlessly with both factory and aftermarket marine systems. RCA inputs and speaker-level sensing make installation simple and versatile.

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Key Features

• 1,000W RMS Monoblock Power: Delivers thunderous, distortion-free bass in marine systems.

• NexD™ Class D Technology: Ultra-efficient, low-distortion switching amplifier platform.

• Marine-Grade Construction: Corrosion-resistant chassis, sealed controls, and stainless steel hardware.

• Variable Low-Pass Crossover: Dial in your subwoofer frequency response (50–500 Hz).

• Selectable Bass Boost: Add up to 12 dB of boost at 45 Hz for deeper, punchier bass.

• Optional Remote Level Control: Add the HD-RLC (sold separately) for on-the-fly volume adjustments.

• Flexible 2-Ohm Stability: Drives a wide range of subwoofer loads.

• Compact Design: Easy to mount in tight marine spaces.

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Why Choose the JL Audio XDM1000/1?

The JL Audio XDM1000/1 is the ultimate solution for powering marine subwoofers with clean, hard-hitting bass. Whether you want to shake the shoreline or enjoy smooth low-end vibes, this amplifier delivers powerful output with precision and reliability. Built to handle harsh marine environments and engineered for extreme performance, it’s the top choice for serious boaters who want serious bass.

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What’s in the Box?

• 1 x JL Audio XDM1000/1 Monoblock Marine Amplifier

• 1 x Mounting Hardware Kit

• 1 x User Manual

• 1 x JL Audio Decal

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Specifications

• Power Output: 600W x 1 @ 4Ω | 1000W x 1 @ 2Ω

• Frequency Response: 7 Hz – 500 Hz

• Signal-to-Noise Ratio: >95 dB

• Damping Factor: >150 @ 4Ω

• Input Voltage Range: 200 mV – 4V

• Crossover Slope: 12 dB/octave

• Dimensions (W x D x H): 10.23" x 7.09" x 2.1"

• Certifications: IPX6 marine-grade rating

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FAQs

How much power does the XDM1000/1 really put out?

• It delivers 1,000 watts RMS at 2 ohms, and 600 watts at 4 ohms — perfect for most marine subwoofer setups.

Is this amplifier waterproof?

• While not submersible, it’s IPX6-rated and built to resist spray, salt, and UV exposure.

Can I use this amp with factory systems?

• Yes! It accepts RCA or speaker-level inputs, making it compatible with both OEM and aftermarket systems.

Does it include a bass remote?

• No, but it’s compatible with JL Audio’s HD-RLC remote bass level controller, which is sold separately.

Can I run two subwoofers on this amp?

• Yes, as long as the total load equals 2 ohms or higher, you can run one or more subs in parallel or series.

Is it hard to install?

• Not at all. The amp is compact and includes all mounting hardware, and its features are designed to simplify marine installations.