Alpine MRV-F300 4-Channel Car Amplifier, 50 Watts RMS x 4
75W RMS x 4 (2 , 14. 4V, 1% THD+N) 50W RMS x 4 (4 , 14. 4V, 1% THD+N) Same power in a 40% smaller chassis Evolution to Class D digital platform New snap-on terminal covers for easy installation