M2-300X4

The Rockford Fosgate M2-300X4 is one of the best compact marine and powersports 4-channel amplifiers for customers wanting clean sound quality, marine durability, and efficient power output without moving into the much more expensive Power Marine lineup.

Key Features

• 4-channel Class-D amplifier
• Element Ready™ marine protection
• C.L.E.A.N. gain setup system
• Differential-balanced inputs
• High-level input compatibility
• Auto turn-on capability
• UV-stable powder-coated heatsink
• Zinc nickel-plated marine-grade terminals
• Conformal-coated PCB boards
• Variable high-pass & low-pass crossovers
• Compact footprint for tight installs

Power Ratings

• 50W RMS × 4 @ 4Ω
• 75W RMS × 4 @ 2Ω
• 150W RMS × 2 bridged @ 4Ω

This makes it ideal for:

• Four 6.5" marine speakers
• Motorcycle fairing speakers
• Wake tower speakers
• Harley bagger speaker upgrades
• Compact marine systems

Performance Specifications

• Frequency Response:
  • 20Hz–20kHz
• Crossover Range:
  • 50Hz–250Hz
• Amplifier Topology:
  • Class-D
• Recommended Power Wire:
  • 4 gauge
• Fuse Rating:
  • 60A
• Dimensions:
  • Approx. 10.1" W
  • 6.8" D
  • 1.9" H