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

Audison SRX4

1 × 66 watts, channel 1 at 4 Ohm
2 × 64 watts, channel 1 + 2 at 4 Ohm
4 × 57 watts, channel 1 up to 4 at 4 Ohm
Current consumption 27,6A
efficiency 61,2%

2 ohm operation not measured because of the 20A fuse

provided by dCi-Martin from the Hififorum

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

Audison SRX4

1 × 67 watts, channel 1 at 4 Ohm
2 × 65 watts, channel 1 + 2 at 4 Ohm
4 × 59 watts, channel 1 up to 4 at 4 Ohm
Current consumption 27,8A
efficiency 63,2%

1 × 190 watts, channel 1 + 2 bridged at 4 Ohm
2 × 161 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm
Current consumption 45,6A
efficiency 52,4%

322 watts total power