Rockford Fosgate Marine/Powersports PM300X1. 300 Watts RMS, Monoblock Class AB Marine Subwoofer Audio Amplifier. Brand New, In Factory Box, Not Refurbished. Featuring One of Rockford Fosgate’s Latest Proprietary Technology, C. Uses simple LED indicators to identify both signal clipping from the audio source and the output level clipping to the speakers. This precise level set-up eliminates speaker damaging distortion. TAKE THE GUESSWORK OUT OF SETTING YOUR AMPLIFIER’S GAIN AND MAKE SURE YOU GET OPTIMIZED OUTPUT FROM YOUR AMP. Mono amplifier… Continue Reading ››