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Delivers clear, loud power for four 6.5" or 6x9 speakers; users report strong performance in boat and ATV installs and excellent value for the price.
Buyer confidence
88%Highlights
- 2-Year Warranty
- 2/4 channel input switch
- CEA-2006 Compliant & CE Compliant
- "Auto-Sense" turn-on with remote out (high level in)
Key specs
Full specs- Number of Channels
- 4
- Total Power (Sum of Rated Power)
- 300 Watts
- Rated Power (RMS Continuous Power)
- 50 Watts x 4 @ 4Ω 75 Watts x 4 @ 2Ω 150 Watts x 2 @ 4Ω Bridged/Mono
- Dynamic Power (PVC/PowerCube®)
- 70 Watts x 4 @ 4Ω 115 Watts x 4 @ 2Ω 230 Watts x 2 @ 4Ω Bridged/Mono
- Bridgeable
- Yes
- Frequency Response
- 20 Hz - 20 kHz
- 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
- 4
- Total Power (Sum of Rated Power)
- 300 Watts
- Rated Power (RMS Continuous Power)
- 50 Watts x 4 @ 4Ω 75 Watts x 4 @ 2Ω 150 Watts x 2 @ 4Ω Bridged/Mono
- Dynamic Power (PVC/PowerCube®)
- 70 Watts x 4 @ 4Ω 115 Watts x 4 @ 2Ω 230 Watts x 2 @ 4Ω Bridged/Mono
Highlights
Overview- 2-Year Warranty
- 2/4 channel input switch
- CEA-2006 Compliant & CE Compliant
Review highlights
Based on customer reviewsRockford Fosgate M2 300 Watt 4-Channel Element Ready™ Amplifier — clear, powerful, great value for boats/ATVs
Delivers clear, loud power for four 6.5" or 6x9 speakers; users report strong performance in boat and ATV installs and excellent value for the price.
What buyers praise
- Clear, loud sound — audible across a lake
- Suitable power for four 6.5" or 6x9 speakers
Overview
The M2-300X4 is a 300-watt, full-range Class-D 4-channel amplifier engineered for marine audio environments. It combines Class-D efficiency with Element Ready protection for reliable performance in exposed conditions.
Best for
- Boaters and marine audio users who need a compact
- efficient 4-channel amplifier that tolerates outdoor conditions and can be configured for stereo or bridged/mono use.
Key points
- 300 watts total power (full-range Class-D design)
- Operates at 4Ω or 2Ω stereo; 4Ω bridged/mono
- Element Ready protection: UV-resistant exterior and conformal-coated electronics
- C.L.E.A.N. circuitry for simplified gain adjustment
- P.O.W.E.R. Supply that increases output as system voltage rises
- CTA-2006 compliant with balanced differential inputs
Fit and use
Use the amp in marine and other moisture-exposed installations where UV resistance and internal conformal coating are required. Configure as stereo at 4Ω/2Ω per channel or bridge the unit to 4Ω mono where a bridged output is needed. Its Class-D topology reduces electrical demand compared with less efficient amplifier classes.
What to know
The M2 Series is developed specifically for marine environments and includes UV-resistant finishes and conformal-coated internal electronics for added protection. The amplifier’s Class-D efficiency helps limit strain on the electrical system. C.L.E.A.N. circuitry aids in setting gains. Manufacturer notes indicate thes…
Highlights
Key features
- 2-Year Warranty
- 2/4 channel input switch
- 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 M2-300X4 Element Ready™ amplifier is a 300 watt, full-range class-D model, capable of operating at 4Ω or 2Ω stereo, and 4Ω bridged/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.
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 amplifier – 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
All components are protected against harsh outdoor elements like Dust, UV, Temperature, Water, Corrosion &
Full Range Class-D
A full-range version of the Class-D topology which is a high efficiency amplifier design that reduces current
P.O.W.E.R.
Power supply circuit design that allows the amplifier to increase output power as voltage increases.
CTA-2006 Compliant
Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your
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
Differential input circuitry measures the voltage of both the (+) and (-) input signal. The circuitry subtracts
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 is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...
CE Compliant
This product fulfills all essential safety and environmental requirements as defined in the European Directives
Specs
Specifications
25
| Number of Channels | 4 |
| Total Power (Sum of Rated Power) | 300 Watts |
| Rated Power (RMS Continuous Power) | 50 Watts x 4 @ 4Ω 75 Watts x 4 @ 2Ω 150 Watts x 2 @ 4Ω Bridged/Mono |
| Dynamic Power (PVC/PowerCube®) | 70 Watts x 4 @ 4Ω 115 Watts x 4 @ 2Ω 230 Watts x 2 @ 4Ω Bridged/Mono |
| Bridgeable | Yes |
| Frequency Response | 20 Hz - 20 kHz |
| Input Sensitivity | Low-Level: 150 mV - 4 V High-Level: 450 mV - 12 V |
| Circuit Topology Class | Class D |
| Total Harmonic Distortion (THD+Noise) | 4Ω: <1.0% 2Ω: <1.0% |
| Signal Input | Front Low-Level: 2 RCA Front High-Level: 4-Pin MolexRear Low-Level: 2 RCA Rear High-Level: 4-Pin Molex Input Switch: 2/4 Input (works for RCA/High-Level inputs) |
| Signal Output | Low-Level: 2 RCA (Pass-Thru active with RCA or Hi-Level input) |
| Tone Controls | No |
| Crossover Controls | Front High-Pass: 50 Hz - 250 Hz @ 12dB/Octave Butterworth Front Low-Pass: 50 Hz - 250 Hz @ 12dB/Octave Butterworth Rear High-Pass: 50 Hz - 250 Hz @ 12dB/Octave Butterworth Rear Low-Pass: 50 Hz - 250 Hz @ 12dB/Octave Butterworth All-Pass: Yes |
| Remote Controls | No |
| Visual Indicators | Power/Protect C.L.E.A.N. In C.L.E.A.N. Out (front) C.L.E.A.N. Out (rear) |
| Power Wire Gauge | 4 AWG |
| Power Input Connector | Compression Terminal Block |
| Speaker Wire Gauge | 8 AWG |
| Speaker Output Connector | Compression Terminal Block |
| Cooling | Convection |
| Operating Voltage | 9 - 16 VDC |
| Recommended Fuse (not included) | 60 A |
| Max. Current Draw (13.8V Sinewave) | 39 A |
| Dimensions (H x W x D) | 1.9" x 6.8" x 10.1" (4.9 cm x 17.3 cm x 25.5 cm) |
| Shipping Weight | 4.75 Lbs. (2.15 Kg) |
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Installation resources
Wiring diagrams
10
Wiring Diagram #1
Source: Rockford Fosgate
Wiring Diagram #2
Source: Rockford Fosgate
Wiring Diagram #3
Source: Rockford Fosgate
Wiring Diagram #4
Source: Rockford Fosgate
Wiring Diagram #5
Source: Rockford Fosgate
Wiring Diagram #6
Source: Rockford Fosgate
Wiring Diagram #7
Source: Rockford Fosgate
Wiring Diagram #8
Source: Rockford Fosgate
Wiring Diagram #9
Source: Rockford Fosgate
Support
Return Authorization
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.
Popular Questions
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