Compact 4-Channel Full-Range Amplifier Rated Power (1% THD+N, 14.4V): 50W x 4 @ 4 ohms / 75W x 4 @ 2 ohms / 150W x 2 bridged @ 4 ohms Features: variable High-Pass Filters for each channel bankPowers four speakers, or two speakers plus a subwoofer.Efficient Class D technologyRated Power (1% THD+N, ..