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Rockford Fosgate  M2-300X4

M2 Series 4-Channel 75W RMS x 4 at 2-Ohms, Class-D Marine/Powersports Amplifier

Item #90980

Condition:   Brand New

Product Highlights

  • M2 Series Amplifier
  • 4-Channel 75W RMS
  • Class-D Marine
  • Powersports Audio
  • High Performance Sound

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping (No Minimum).
60 DAYS Price change protection.

$349.99

Reg. Price $449.99  Save $100.00
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  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping (No Minimum).
60 DAYS Price change protection.

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Rockford Fosgate M2-300X4 M2 Series 4-Channel 75W RMS x 4 at 2-Ohms, Class-D Marine/Powersports Amplifier


We are a Rockford Fosgate authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • 4-Channel marine amplifier
  • • (2) 7" Speaker input harnesses
  • • 3mm Hex key
  • • (4) 3/4" Screws
  • • (4) Flat washers
  • • Certificate of Performance Verification
  • • Rockford Fosgate contact information
  • Owner's Manual

 

 

Built to Handle Anything You Throw at It

The Rockford Fosgate M2-300X4 Class-D Marine/Powersports Amplifier is made for enthusiasts who want serious power in a tough, no-nonsense package. With a flexible 4-channel design that can also run 3-channel or bridged 2-channel setups, it adapts easily whether you are building a full system or upgrading step by step. It is the kind of amplifier that fits into almost any plan without limiting your creativity.

Clean Power You Can Actually Trust

This amplifier delivers CEA-2006 verified output with 50 watts RMS across four channels at 4 ohms, giving you consistent and measurable performance you can rely on. It is not just about numbers, it is about how clean and controlled the sound stays even when you push it. The balanced differential inputs help strip away unwanted noise so what you hear is pure, detailed audio instead of interference or distortion.

Rugged Marine Engineering with Smart Control

The M2-300X4 is built for real-world abuse with a conformal-coated PCB and UV-resistant marine-grade construction that stands up to moisture, corrosion, and vibration without breaking a sweat. Inside, MEHSA-4 thermal management keeps temperatures under control while NOMAD protection technology constantly monitors system conditions to protect your gear without killing performance. Add in the CLEAN gain setup system, independent channel tuning, and flexible crossover controls, and you get an amplifier that is not just powerful but also incredibly easy to dial in exactly how you want it.


SPECIFICATIONS


  • Maximum Power : 300 Watts
  • Low Frequency Response : 50-250 Hz
  • High Frequency Response : 50-250 Hz
  • Number of Channels : 4
  • Frequency Response : 20-20000 Hz
  • Built In Crossovers : Yes
  • RMS Power Output : 4x75 Watts
  • Amplifier Class : D
  • Fuse Rating : 60 A

FEATURES


Features:

  • High Efficiency Four Channel Marine Grade Power Platform: The Rockford Fosgate M2-300X4 is a Class-D 4-channel full-range amplifier designed with a flexible front and rear architecture that can be configured as 4-channel, 3-channel, or bridged 2-channel operation for versatile system integration.
  • CEA-2006 Verified Output Performance Standard: Delivers 50 watts RMS x 4 at 4 ohms with a signal-to-noise ratio greater than 70 dBA, ensuring accurate, repeatable, and industry-standard power measurement for transparent performance comparison.
  • Marine Rated Conformal Coated Circuit Protection: Built with a UV resistant finish and conformal-coated PCB design, making it highly resistant to moisture, corrosion, and environmental stress for reliable marine and powersports use.
  • Advanced MEHSA-4 Thermal Management System: Utilizes Maximum Efficiency Heat Sink Application technology with cast aluminum heatsink construction to increase heat transfer efficiency by approximately 30 percent for improved stability under load.
  • Intelligent NOMAD Protection Processing: Features real-time analog monitoring of temperature, voltage, current, and impedance conditions, dynamically protecting the amplifier without unnecessary power limiting during operation.
  • Precision CLEAN Gain Calibration System: Integrated clip indicator system simplifies setup by allowing accurate gain matching between source unit and amplifier to minimize distortion and maximize output clarity.
  • Balanced Differential Noise Rejection Inputs: Reduces unwanted signal noise by comparing and canceling interference between positive and negative input conductors for cleaner audio reproduction.
  • Fully Independent Channel Control Architecture: Includes separate front and rear gain controls, selectable crossover modes, and variable frequency adjustment from 50 Hz to 250 Hz for precise tuning flexibility.
  • Heavy Duty Installation and Connectivity Design: Supports 4-gauge power input, 8-gauge speaker connections, RCA pass-through linking, and optional auto turn-on functionality for streamlined system expansion and integration.

 

Specifications:

  • RMS Power Output (Watts x Channels): 50 x 4
  • Power at 2 Ohms (Watts x Channels): 75 x 4
  • Bridged Power (Watts x Channels): 150 x 2
  • Frequency Response at Rated RMS Power: 20 Hz – 20 kHz
  • THD at Rated RMS Power: 1%
  • Signal to Noise Ratio: 70 dB
  • Input Voltage: 14.4V
  • Peak Power Output (Watts x Channels): N/A
  • Minimum Impedance Bridged: 4 Ohms
  • Minimum Impedance Unbridged: 2 Ohms
  • Amplifier Class: D
  • Low-Pass Crossover Frequency: 50 – 250 Hz
  • Low-Pass Slope (dB/octave): 12 dB/octave
  • High-Pass Crossover Frequency: 50 – 250 Hz
  • High-Pass Slope (dB/octave): 12 dB/octave
  • Bass Boost: No
  • Bass Boost Frequency: N/A
  • Fan Cooled: No
  • Fuse Rating: 60A
  • Speaker Level Inputs: Yes
  • Preamp Outputs: 2
  • Height (inches): 2
  • Width (inches): 10-1/16
  • Depth (inches): 7-3/4
  • UPC: 780687358303
  • Weight: 5
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.

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