provided by Fabian aus dem Epicenter-Forum

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

Alpine 3550

1 × 43 Watts channel 1 at 4 Ohm
2 × 40 Watts channel 1 + 2 at 4 Ohm
4 × 35 Watts channel 1 up to 4 at 4 Ohm

1 × 104 Watts channel 1 + 2 bridged at 4 Ohm
2 × 85 Watts channel 1 + 2 and 3 + 4 bridged at 4 Ohm

170 watts total power