Power your marine or motorsport audio system with the Rockford Fosgate PM400X4, a 400 Watt 4-Channel Marine Amplifier designed to deliver dynamic, high-quality sound in the harshest environments. Engineered with Class A/B technology and featuring a conformal-coated PC board, this amplifier is the ultimate choice for boats, ATVs, and other motorsport applications.
Whether you’re looking to drive a 4-way front-stage/rear-fill setup or combine component speakers with subwoofers, the PM400X4 offers the versatility and performance needed to meet your audio demands. Its C.L.E.A.N. Set-up technology simplifies installation, while Punch EQ provides up to an 18dB bass boost for deeper, richer sound. With a marine-grade aluminum heatsink and epoxy-coated circuit boards, this amplifier is built to withstand water, salt, and UV exposure for years of reliable performance.
Key Features:
- Element Ready™ Design: Built to withstand water, salt, and UV exposure for marine and motorsport use.
-
Versatile Power:
- 50W x 4 @ 4Ω
- 100W x 4 @ 2Ω
- 200W x 2 @ 4Ω bridged
- C.L.E.A.N. Set-Up: Simplifies gain setting for optimized audio performance.
- Punch EQ: Boosts bass frequencies by up to 18dB for a powerful low-end sound.
- Dynamic Power Output: Maintains exceptional sound clarity even at high volumes.
- Conformal Coated PC Board: Protects against moisture, salt, and corrosion.
- Compact & Durable: Cast aluminum heatsink and marine-grade hardware for rugged reliability.
Specifications:
- Circuit Topology: Class A/B
- Frequency Response: 20Hz – 20kHz +/- 1.0dB
- Input Sensitivity: 150mV – 12V
-
Crossover Controls:
- High-Pass/Low-Pass (50Hz–250Hz) @ 12dB/Octave Butterworth
- Recommended Fuse: 60A
- Power Wire Gauge: 8 AWG – 4 AWG
- Dimensions: 2.38" H x 7.76" W x 11.03" D
- Shipping Weight: 10.8 lbs
Applications:
The Rockford Fosgate PM400X4 is ideal for marine and motorsport audio systems, including boats, ATVs, and UTVs. Its robust construction and high-performance output ensure consistent sound quality in any environment.
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.
We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.