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

Audison VRX1.500

1 × 676 watts, channel 1 at 4 Ohm with 13,4V supply voltage
Current consumption 86,9A
efficiency 58,1%

1 × 1265 watts, channel 1 at 2 Ohm with 13,3V supply voltage
Current consumption 180,9A
efficiency 52,6%

1-ohm operation not measured because of the 100A fuse