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

Rockford Fosgate T30001bd

1 × 1332 watts, channel 1 at 4 Ohm with 13,3V supply voltage
Current consumption 132A
efficiency 75,9%

1 × 2521 watts, channel 1 at 2 Ohm with 13,1V supply voltage
Current consumption 270A
efficiency 71,3%

1 × 2984 watts, channel 1 at 1,33 Ohm with 12,9V supply voltage
Current consumption 345A
efficiency 67,1%

measured up to the clipping limit at 100 Hz because of fixed preset low-pass filter
1-Ohm Betrieb nicht gemessen, wegen zu schwacher Stromversorgung (extern)