provided by TimTaler from the Hififorum

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

Alphasonik PMA300HC

1 × 94 watts, channel 1 at 4 Ohm
2 × 90 watts, channel 1 + 2 at 4 Ohm

1 × 313 watts, channel 1 + 2 bridged at 4 Ohm

1 × 493 watts, channel 1 + 2 bridged at 2 Ohm

493 watts total power