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

Rockford Fosgate T20001bd

1 × 1296 watts, channel 1 at 4 Ohm with 13,4V supply voltage
Current consumption 117A
efficiency 82,7%

1 × 2245 watts, channel 1 at 2 Ohm with 13,3V supply voltage
Current consumption 217A
efficiency 77,8%

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)

provided by ladedruck from the Hififorum

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

Rockford Fosgate T20001bd

1 × 1296 watts, channel 1 at 4 Ohm with 13,4V supply voltage
Current consumption 118A
efficiency 82%

1 × 2178 watts, channel 1 at 2 Ohm with 13,3V supply voltage
Current consumption 213A
efficiency 76,9%

1 × 2529 watts, channel 1 at 1,33 Ohm with 13,2V supply voltage
Current consumption 273
efficiency 70,2%

1 × 2304 watts, channel 1 at 1 Ohm with 13,2V supply voltage
Current consumption 285
efficiency 61,2%

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