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

Autotek Model 99

1 × 129 watts, channel 1 at 4 Ohm
2 × 129 watts, channel 1 + 2 at 4 Ohm
Current consumption 32,9A
efficiency 58%

1 × 484 watts, channel 1 + 2 bridged at 4 Ohm with 13,4V supply voltage
Current consumption 67,5A
efficiency 53,5%

484 watts total power