Rockford Fosgate M5-1000X1 1000-Watt Mono Element Ready Marine Amplifier

Overview

This is your heavy hitter.

The Rockford Fosgate M5-1000X1 is a high-output mono amplifier built to deliver serious subwoofer power in marine and outdoor systems. When a smaller amp isn’t enough, this is the step up.

What It Is

A dedicated high-power subwoofer amplifier.

• 1000 watts of mono power
• Class-D design for efficiency
• Element Ready™ construction for harsh environments

Performance

Big, usable power.

• 600W RMS @ 4Ω
• 1000W RMS @ 2Ω
• 1000W RMS @ 1Ω

This is the kind of output that moves real air and holds up when pushed.

What Makes It Different

This sits at the top of the M5 mono lineup.

• High output capability without needing multiple amps
• Stable at 1Ω for flexible subwoofer setups
• Consistent power delivery across loads

If you want your bass to stand out, this is where you land.

Tuning & Control

Full control over your low end.

• Variable low-pass crossover (50–250 Hz)
• Infrasonic filter to protect subs
• Punch EQ for added bass boost
• Remote bass level control compatible

Smart Integration

Easy to work into most systems.

• High-level & low-level inputs
• Auto turn-on capability
• C.L.E.A.N. clip detection for proper setup

Built for the Elements

Made for real-world abuse.

• Element Ready™ design
• Conformal-coated circuit board
• UV-stable heatsink
• Marine-grade terminals

What It’s Best For

• High-output marine subwoofer systems
• Larger boats needing real low-end
• Multi-sub setups
• Systems where bass is a priority

What’s Included

• M5-1000X1 Amplifier
• Remote Bass Level Control
• Mounting Hardware

Specifications

Power Output:

• 1000 Watts RMS

Channels:

• Mono (1-channel)

Power Ratings:

• 600W x 1 @ 4Ω
• 1000W x 1 @ 2Ω
• 1000W x 1 @ 1Ω

Frequency Response:

• 20 Hz – 250 Hz

Technology:

• Class-D

Note

• Designed specifically for subwoofer applications
• Proper wiring and tuning recommended