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

Rockford Fosgate T40001bd

1 × 1722 watts, channel 1 at 4 Ohm with 13,2V supply voltage
Current consumption 162A
efficiency 80,5%

1 × 2665 watts, channel 1 at 2 Ohm with 13,1V supply voltage
Current consumption 272A
efficiency 74,8%

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)