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

Rockford Fosgate Punch P450.4

1 × 102 Watts channel 1 at 4 Ohm
2 × 98 Watts channel 1 + 2 at 4 Ohm
4 × 87 Watts channel 1 up to 4 at 4 Ohm

1 × 313 Watts channel 1 + 2 bridged at 4 Ohm
2 × 266 Watts channel 1 + 2 and 3 + 4 bridged at 4 Ohm

532 watts total power