Alpine MRP-M650 Class-D Mono Power Amplifier features RMS Power: 600W x 1, Subsonic Filter, Frequency Response: 20Hz - 200Hz, Thermal Management Processor, Selectable/Adjustable Crossover (LP), Bass EQ Circuit The Alpine M650 Class-D Amplifier features Bass Engine Sound Tuning that dynamically adjusts the bass depth, between 50 Hz and 200 Hz. This helps in reproducing the required level of thumping…