The Rockford Fosgate Punch P400-1 Amplifier is a powerful mono amplifier that delivers an RMS power output ranging between 400-500W or 300-400W, making it suitable for a wide range of car audio systems. This tested and working amplifier offers high-quality sound and performance, perfect for enhancing your vehicle's audio experience with a reliable and reputable brand like Rockford Fosgate. Nothing wrong with it, was replaced for different amps. All dials/switches work
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