provided by IchAS from the Hififorum

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

ESX Signum SE2100

1 × 106 watts, channel 1 at 4 Ohm
2 × 95 watts, channel 1 + 2 at 4 Ohm
Current consumption 22,2A
efficiency 63,4%

1 × 282 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 38,5A
efficiency 54,3%

1 × 338 watts, channel 1 + 2 bridged at 2 Ohm with 13,4V supply voltage
Current consumption 59A
efficiency 42,8%

338 watts total power