Jensen JA1B JA Series Compact Mono Subwoofer Amplifier 595W RMS x 1 at 1 ohm
290W RMS JA Series Class-D Compact Monoblock Car Amplifier with DSP. 595 watts RMS x 1 at 1 ohm. 1 ohm: 595 watts RMS x 1. 290 watts RMS x 1 at 4 ohms. 470 watts RMS x 1 at 2 ohms. 4 ohms: 290 watts RMS x 1.