Rated power measured according to DIN 45500 up to 1% distortion factor in 13,5V

Rodek R1500A2

1 × 346 watts, channel 1 at 4 Ohm
Current consumption 36,2A
efficiency 70,8%

1 × 578 watts, channel 1 at 2 Ohm with 13,4V supply voltage
Current consumption 65,7A
efficiency 65,6%

578 watts total power