provided by ben2oo2 from the Hififorum

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

Audio Design Silverado 150 two

1 × 88 watts, channel 1 at 4 Ohm
2 × 82 watts, channel 1 + 2 at 4 Ohm

1 × 256 watts, channel 1 + 2 bridged at 4 Ohm

256 watts total power

In bridge operation, it is necessary to increase the fuse from 20A to 25A.