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

Phase Linear Opus 4

1 × 248 watts, channel 1 at 4 Ohm
2 × 248 watts, channel 1 + 2 at 4 Ohm
4 × 218 watts, channel 1 up to 4 at 4 Ohm with 13,3V supply voltage
Current consumption 83,3A
efficiency 78,6%

1 × 729 watts, channel 1 + 2 bridged at 4 Ohm
2 × 552 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm with 13,2V supply voltage
Current consumption 129A
efficiency 64,9%

1104 watts total power

measured up to the clipping limit