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Your cart is empty.Product Description


Serious Marine Sound, Made Simple.
M2-300X4
Designed to withstand the elements, the M2-300X4 Element Ready 4-channel 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.
Featuring a conformal coated circuit board, stainless steel mounting hardware and marine grade terminal connections, all making the M2-300X4 Element Ready, to ensure long lasting outdoor use. Whether on land or water, the M2-300X4 is an ideal amplifier for your 4-channel needs.
- M2 300-Watt Element Ready Marine 4-Channel Amplifier
- Rated Power: 50 Watts x 4 @ 4Ω OR 75 Watts x 4 @ 2Ω OR 150 Watts x 2 @ 4Ω Bridged/Mono
- Short Circuit & Over Current Protection
- Fully Adjustable 12 dB/octave High and Low pass Butterworth Crossovers
- "Auto-Sense" turn-on with remote out (high level in)
- Recommended Fuse (not included): 60 A
- Dimensions (H x W x D): 1.9" x 6.8" x 10.1"

Top Mounted Control Panel
Featuring our C.L.E.A.N. technology (Calibrated Level Eliminated Audible Noise), that uses simple LED indicators to identify both signal clipping from the audio source and the output level clipping to the speakers, ensuring precise level set-up that eliminates speaker damaging distortion
Element Ready
The M2 Series amplifiers feature UV resistant protection and special internal conformal coating that protect the electronics from water. These amplifiers are Element Ready, protecting against Dust, UV, Corrosion, and feature Stainless hardware
What's in the Box
- M2 Element Ready Amplifier
- Mounting Hardware
- Allen Wrench
- 4-pin Molex pig tail connectors
P.O.W.E.R. Supply
The Rockford Fosgate P.O.W.E.R. supply generates more power as voltage increases, all while reducing strain on the vehicles charging system, making this amp ideal for Marine and Motorsports vehicles

Power/REM & Speaker Terminals
The Power and Ground Terminals are nickel-plated set-screw wire connectors that will accommodate up to 4 AWG. The REM Terminal will accommodate up to 8 AWG. The heavy duty, nickel-plated set screw wire connectors (+ and -) will accommodate up to 8 AWG.
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Price | — no data | — no data | — no data | — no data |
Circuit Topology Class | Class D | Class D | Class D | Class D |
Cooling | Convection | Convection | Convection | Convection |
Recommended Fuse (not included) | 80 A | 30 A | 60 A | 120 A |
Dimensions (H x W x D) | 1.9" x 6.8" x 8.5" | 1.9" x 6.8" x 8.1" | 1.9" x 6.8" x 10.1" | 1.9" x 6.8" x 11.2" |
$529.00 $529.00
$ 99 .00 $99.00
$599.00 $599.00
$ 99 .00 $99.00