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

Soundstream Reference 500

High-Voltage-Mode:

1 × 165 watts, channel 1 at 4 Ohm
2 × 128 watts, channel 1 + 2 at 4 Ohm
Current consumption 32,7A
efficiency 57,9%

1 × 376 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 52,5A
efficiency 53,1%

 

High-Current-Mode:

1 × 105 watts, channel 1 at 4 Ohm
2 × 84 watts, channel 1 + 2 at 4 Ohm
Current consumption 21,4A
efficiency 58%

1 × 237 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 34,7A
efficiency 50,6%

1 × 381 watts, channel 1 + 2 bridged at 2 Ohm
Current consumption 58,4A
efficiency 48,3%

1 × 441 watts, channel 1 + 2 bridged at 1 Ohm with 13,4V supply voltage
Current consumption 85A
efficiency 38,7%