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

AudioQueest SL2180

High-Impedance-Mode
1 × 110 watts, channel 1 at 4 Ohm
2 × 110 watts, channel 1 + 2 at 4 Ohm
Current consumption 27A
efficiency 60,5%

Low-Impedance-Mode
1 × 61 watts, channel 1 at 4 Ohm
2 × 61 watts, channel 1 + 2 at 4 Ohm
Current consumption 15,1A
efficiency 59,6%

1 × 225 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 32,5A
efficiency 51,3%

225 watts total power