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Rockford Fosgate M2-500X1M2 500 Watt Mono Element Ready™ Amplifier

5.05 reviewsSee all reviews

Reviewers say the Rockford Fosgate M2 500 Watt Mono Element Ready™ Amplifier delivers strong subwoofer power in a compact, adjustable package that fits tight installs like UTVs and marine setups.

Buyer confidence

88%

Highlights

  • 2-Year Warranty
  • Focused mass heat sink allows critical aluminum material to be located around hottest internal devices
  • CEA-2006 Compliant & CE Compliant
  • "Auto-Sense" turn-on with remote out (high level in)

Key specs

Full specs
Number of Channels
1
Total Power (Sum of Rated Power)
500 Watts
Rated Power (RMS Continuous Power)
300 Watts x 1 @ 4Ω 500 Watts x 1 @ 2Ω
Dynamic Power (PVC/PowerCube®)
350 Watts x 1 @ 4Ω 590 Watts x 1 @ 2Ω
Bridgeable
No
Frequency Response
20 Hz - 250 Hz
Input Sensitivity
Low-Level: 150 mV - 4 V High-Level: 450 mV - 12 V
Circuit Topology Class
Class D

Key specs

Full specs
Number of Channels
1
Total Power (Sum of Rated Power)
500 Watts
Rated Power (RMS Continuous Power)
300 Watts x 1 @ 4Ω 500 Watts x 1 @ 2Ω
Dynamic Power (PVC/PowerCube®)
350 Watts x 1 @ 4Ω 590 Watts x 1 @ 2Ω

Highlights

Overview
  • 2-Year Warranty
  • Focused mass heat sink allows critical aluminum material to be located around hottest internal devices
  • CEA-2006 Compliant & CE Compliant

Review highlights

Based on customer reviews

Compact, powerful mono amp with adjustable clipping

Reviewers say the Rockford Fosgate M2 500 Watt Mono Element Ready™ Amplifier delivers strong subwoofer power in a compact, adjustable package that fits tight installs like UTVs and marine setups.

5 reviews5.0/5 averageUpdated Mar 15, 2026

What buyers praise

  • Plenty of power for subwoofers
  • Compact footprint fits tight spaces (installed behind a Polaris Ranger seat; used in marine setups)
Overview

The M2-500X1 Element Ready™ is a 500-watt Class-D mono amplifier designed for marine audio environments. It combines efficient power delivery with marine-grade protection and onboard signal controls aimed at subwoofer applications.

Best for

  • Marine and watersports audio installations
  • Powering a single subwoofer or bridged mono loads
  • Applications that need efficient Class‑D performance to reduce electrical demand

Key points

  • 500 watt output (mono) with operation at 4Ω or 2Ω
  • Class‑D topology for high efficiency and lower electrical draw
  • C.L.E.A.N. circuitry to assist with gain adjustment
  • P.O.W.E.R. Supply that increases available power as voltage rises
  • Integrated Punch EQ for bass enhancement (up to 3X)
  • Variable infrasonic filter and remote level control for subwoofer tuning

Fit and use

Set up as a mono amplifier at either 4Ω or 2Ω loads — commonly used to drive subwoofers Use C.L.E.A.N. circuitry when adjusting gain to match source level and avoid clipping Employ the Punch EQ and infrasonic filter to shape low-frequency response for the enclosure and listening environment Take advantage of the remote level control to adjust bass level from the listening position Designed for exposed marine environ…

What to know

The M2-500X1 is built for marine conditions with UV-resistant materials and a conformal coating on internal electronics. It is CTA-2006 compliant and uses Class‑D efficiency to reduce strain on the electrical system. For detailed electrical specifications, mounting guidance, and complete feature lists, consult the pro…

Highlights

Key features

  • 2-Year Warranty
  • Focused mass heat sink allows critical aluminum material to be located around hottest internal devices
  • CEA-2006 Compliant & CE Compliant
  • "Auto-Sense" turn-on with remote out (high level in)
  • C.L.E.A.N. input/output clip detection and indicator LEDs
  • Conformal coated circuit board protects against dust and water
  • UV stable powder coated cast aluminum heatsink
  • Optimized using AudioGraph PowerCube measurement tool
  • Integrated Power and Speaker Terminals
  • Balanced Differential Inputs eliminates noise picked up by signal cables
  • Integration with OEM and Aftermarket Radios
  • Low Impedance Stability
More info

Manufacturer details

Designed to withstand the elements, the M2-500X1 Element Ready™ amplifier is a 500 watt, class-D model, capable of operating at 4Ω or 2Ω mono. This amplifier is extremely efficient because of its class D technology which reduces demand on the electrical system. The amp also features C.L.E.A.N. circuitry to help you adjust your gain settings, a P.O.W.E.R. Supply that generates more power as voltage increases, and integrated Punch EQ that corrects for acoustic deficiencies while delivering up to 3X the bass. For subwoofers, a variable infrasonic filter and remote level control allows you to tune the bass for the desired level for the music.

Additional details

The M2 Series were developed for marine audio environments that feature UV resistant protection and special internal conformal coating that protect the electronics from water. It’s designed for those who want a reliable – with all the power and performance you’ve come to expect from Rockford Fosgate – at an economical price. Rockford Fosgate amplifiers are renowned world-wide for being “under rated,” easily surpassing all specifications, and most importantly, generating more power than their ratings. The latest generation of M2 Series amplifiers are also designed to be easy to setup and configure, making them perfect for use in any application.

Technologies
Element Ready™ | Amps

Element Ready™ | Amps

All components are protected against harsh outdoor elements like Dust, UV, Temperature, Water, Corrosion &

Class-D

Class-D

High efficiency amplifier design that reduces current consumption from the charging system.

P.O.W.E.R.

P.O.W.E.R.

Power supply circuit design that allows the amplifier to increase output power as voltage increases.

CTA-2006 Compliant

CTA-2006 Compliant

Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your

C.L.E.A.N. Technology
Patent: 8,712,066

C.L.E.A.N. Technology

Time and sophisticated test equipment have been replaced, with Rockford’s integrated level setting technology

Balanced Differential Inputs

Balanced Differential Inputs

Differential input circuitry measures the voltage of both the (+) and (-) input signal. The circuitry subtracts

MEHSA 4 (Maximum Efficiency Heat Sink Application)

MEHSA 4 (Maximum Efficiency Heat Sink Application)

MEHSA4 (Maximum Efficiency Heat Sink Application - gen. 4) is a proprietary process that yields a better heat

NOMAD

NOMAD

NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...

Rollback Protection

Rollback Protection

During demanding musical conditions, the amplifier can dynamically reduce demand to prevent stress on the output

Showing the main technologies for this product.

Specs

Specifications

25
Number of Channels1
Total Power (Sum of Rated Power)500 Watts
Rated Power (RMS Continuous Power)300 Watts x 1 @ 4Ω 500 Watts x 1 @ 2Ω
Dynamic Power (PVC/PowerCube®)350 Watts x 1 @ 4Ω 590 Watts x 1 @ 2Ω
BridgeableNo
Frequency Response20 Hz - 250 Hz
Input SensitivityLow-Level: 150 mV - 4 V High-Level: 450 mV - 12 V
Circuit Topology ClassClass D
Total Harmonic Distortion (THD+Noise)4Ω: <1.0% 2Ω: <1.0%
Signal InputLow-Level: 2 RCA High-Level: 4-Pin Molex
Signal OutputLow-Level: 2 RCA (Pass-Thru active with RCA or Hi-Level input)
Tone Controls0 to +18 dB @ 45 Hz
Crossover ControlsLow-Pass: 50 Hz - 250 Hz @ 12dB/Octave Butterworth Infrasonic: 15 Hz - 40 Hz @ 12dB/Octave Butterworth
Remote ControlsYes
Visual IndicatorsPower/Protect C.L.E.A.N. In C.L.E.A.N. Out
Power Wire Gauge4 AWG
Power Input ConnectorCompression Terminal Block
Speaker Wire Gauge8 AWG
Speaker Output ConnectorCompression Terminal Block
CoolingConvection
Operating Voltage9 - 16 VDC
Recommended Fuse (not included)80 A
Max. Current Draw (13.8V Sinewave)52 A
Dimensions (H x W x D)1.9" x 6.8" x 8.5" (4.9 cm x 17.3 cm x 21.5 cm)
Shipping Weight4.8 Lbs. (2.18 Kg)
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Installation resources

Wiring diagrams

10
Wiring Diagram #1

Wiring Diagram #1

Source: Rockford Fosgate

Wiring Diagram #2

Wiring Diagram #2

Source: Rockford Fosgate

Wiring Diagram #3

Wiring Diagram #3

Source: Rockford Fosgate

Wiring Diagram #4

Wiring Diagram #4

Source: Rockford Fosgate

Wiring Diagram #5

Wiring Diagram #5

Source: Rockford Fosgate

Wiring Diagram #6

Wiring Diagram #6

Source: Rockford Fosgate

Wiring Diagram #7

Wiring Diagram #7

Source: Rockford Fosgate

Wiring Diagram #8

Wiring Diagram #8

Source: Rockford Fosgate

Wiring Diagram #9

Wiring Diagram #9

Source: Rockford Fosgate

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If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.



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