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

Impulse SD-500

1 × 189 watts, channel 1 at 4 Ohm
2 × 185 watts, channel 1 + 2 at 4 Ohm

1 × 595 watts, channel 1 + 2 bridged at 4 Ohm

595 watts total power