provided by muthchen from the Hififorum

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

Alpine MRV-1505

1 × 281 watts, channel 1 at 4 Ohm
2 × 281 watts, channel 1 + 2 at 4 Ohm with 13,4V supply voltage
Current consumption 64,6A
efficiency 64,8%

1 × 973 watts, channel 1 + 2 bridged at 4 Ohm with 13,3V supply voltage
Current consumption 118,8A
efficiency 61,6%

973 watts total power

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

Alpine MRV-1505

1 × 282 watts, channel 1 at 4 Ohm
2 × 282 watts, channel 1 + 2 at 4 Ohm with 13,4V supply voltage
Current consumption 65,1A
efficiency 64,7%

1 × 967 watts, channel 1 + 2 bridged at 4 Ohm with 13,3V supply voltage
Current consumption 117,6A
efficiency 61,8%

967 watts total power