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

Gladen XL250c2

1 × 245 watts, channel 1 at 4 Ohm
2 × 222 watts, channel 1 + 2 at 4 Ohm
Current consumption 48,1A
efficiency 68,4%

1 × 676 watts, channel 1 + 2 bridged at 4 Ohm with 13,4V supply voltage
Current consumption 85A
efficiency 59,4%

676 watts total power