provided by muthchen from the Hififorum

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

Alpine MRV-F1005

1 × 225 watts, channel 1 at 4 Ohm
2 × 225 watts, channel 1 + 2 at 4 Ohm

1 × 676 watts, channel 1 + 2 bridged at 4 Ohm

676 watts total power

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

Alpine MRV-1005

1 × 231 watts, channel 1 at 4 Ohm
2 × 224 watts, channel 1 + 2 at 4 Ohm
Current consumption 48,4A
efficiency 68,4%

1 × 645 watts, channel 1 + 2 bridged at 4 Ohm with 13,4V supply voltage
Current consumption 83,1A
efficiency 58%

645 watts total power

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

Alpine MRV-1005

1 × 230 watts, channel 1 at 4 Ohm
2 × 225 watts, channel 1 + 2 at 4 Ohm
Current consumption 48,6A
efficiency 68,6%

1 × 660 watts, channel 1 + 2 bridged at 4 Ohm with 13,4V supply voltage
Current consumption 84,7A
efficiency 58,2%

660 watts total power