provided by michelnator from the Hififorum

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

ESB RA 72100

4 Ohm Mode

1 × 120 watts, channel 1 at 4 Ohm
2 × 120 watts, channel 1 + 2 at 4 Ohm

1 × 424 watts, channel 1 + 2 bridged at 4 Ohm

424 watts total power

2 Ohm Mode

1 × 59 watts, channel 1 at 4 Ohm
2 × 59 watts, channel 1 + 2 at 4 Ohm

1 × 222 watts, channel 1 + 2 bridged at 4 Ohm

1 × 338 watts, channel 1 + 2 bridged at 2 Ohm

338 watts total power