provided by TimTaler from the Hififorum

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

BOA-RL20

1 × 86 watts, channel 1 at 4 Ohm
2 × 77 watts, channel 1 + 2 at 4 Ohm
Current consumption 16,8A
efficiency 67,5%

1 × 219 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 29,2A
efficiency 55,6%

219 watts total power