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

Jackson SPL B1

1 × 138 watts, channel 1 at 4 Ohm
Current consumption 12,2A
efficiency 83,8%

1 × 216 watts, channel 1 at 2 Ohm
Current consumption 21,1A
efficiency 75,9%

1 × 266 watts, channel 1 at 1,33 Ohm
Current consumption 27,8A
efficiency 70,8%

1 × 289 watts, channel 1 at 1 Ohm
Current consumption 32,2A
efficiency 66,5%

289 watts total power
measured up to the clipping limit at 100 Hz because of fixed preset low-pass filter