Rockford Fosgate PM400X4 400 Watt 4-Channel Marine Amplifier high-performance audio • 1000 watts RMS mono

• 1000 watts RMS mono output for powerful subwoofer performance• 1-ohm stable design for high-performance subwoofer systems• high-efficiency Class-D amplifier architecture• IP55 weather-resistant aluminum chassis• compact size ideal for saddlebag and hidden installs• factory radio compatibility via USS integration

Lack of volume against wind noise

900 delivers up to 1000 watts RMS mono output

Equipped with Wireless Apple CarPlay

Correct tuning

Rockford Fosgate PM400X4 400 Watt 4-Channel Marine Amplifier high-performance audio • 1000 watts RMS monoPower 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 youre looking to drive a 4 way front stage rear fill setup or combine component