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XDM Series 1000W Monoblock Class-D Car / Marine Audio Amplifier
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Marine Bass Powerhouse – JL Audio XDM1000/1 Monoblock Marine Amplifier
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.
Key Features
Category | Description |
---|---|
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 | Adjustable 50–500 Hz for subwoofer tuning |
Selectable Bass Boost | Add up to 12 dB at 45 Hz for extra punch |
Optional Remote Level Control | HD-RLC (sold separately) for helm-side bass adjustments |
Flexible 2-Ohm Stability | Ideal for single or dual subwoofer setups |
Compact Design | Fits easily in tight marine installation areas |
Massive Power Output in a Compact Package
- ✔ 1,000W RMS @ 2 ohms or 600W @ 4 ohms
- ✔ Compact chassis makes it ideal for tight spaces
- ✔ Perfect for high-output subwoofer systems
NexD™ Switching Technology for High Efficiency
- ✔ Class D platform delivers clean, detailed bass
- ✔ Thermal management allows extended high-output use
- ✔ Ultra-low distortion even at high volumes
Built to Brave the Harsh Marine Environment
- ✔ IPX6-rated for water and dust resistance
- ✔ Cast-alloy chassis and stainless-steel fasteners resist corrosion
- ✔ Gasket-sealed controls protect internal electronics
Tuned for Bass – With Total Control
- ✔ Includes low-pass crossover and subsonic filter
- ✔ Adjustable bass boost for deeper response
- ✔ Compatible with HD-RLC remote for real-time tuning
Flexible System Integration
- ✔ Accepts RCA and high-level speaker inputs
- ✔ Easily integrates with JL Audio M3, M6, or M7 subwoofers
- ✔ Works with both OEM and aftermarket systems
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.
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
Specifications
Specification | Details |
---|---|
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 |
Frequently Asked Questions (FAQ)
Q: How much power does the XDM1000/1 really put out? | A: It delivers 1,000 watts RMS at 2 ohms, and 600 watts at 4 ohms — perfect for most marine subwoofer setups. |
Q: Is this amplifier waterproof? | A: While not submersible, it’s IPX6-rated and built to resist spray, salt, and UV exposure. |
Q: Can I use this amp with factory systems? | A: Yes! It accepts RCA or speaker-level inputs, making it compatible with both OEM and aftermarket systems. |
Q: Does it include a bass remote? | A: No, but it’s compatible with JL Audio’s HD-RLC remote bass level controller, which is sold separately. |
Q: Can I run two subwoofers on this amp? | A: Yes, as long as the total load equals 2 ohms or higher, you can run one or more subs in parallel or series. |
Q: Is it hard to install? | A: Not at all. The amp is compact and includes all mounting hardware, and its features are designed to simplify marine installations. |
Push Marine Bass to the Limit – Power Up with the JL Audio XDM1000/1
If your boat’s subwoofer system demands deep, clean, and commanding low end, this monoblock marine amplifier is your go-to power source.

FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.