Alpine MRV-F300 4-Channel Car Amplifier, 50 Watts RMS x 4
75W RMS x 4 (2Ω, 14.4V, ≤1% THD+N)50W RMS x 4 (4Ω, 14.4V, ≤1% THD+N)Same power in a 40% smaller chassisEvolution to Class D digital platformNew snap-on terminal covers for easy installation