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

Zapco Reference 650.6

1 × 71 watts, channel 1 at 4 Ohm
2 × 71 watts, channel 1 + 2 at 4 Ohm
4 × 71 watts, channel 1 up to 4 at 4 Ohm
6 × 70 watts, channel 1 up to 6 at 4 Ohm
Current consumption 50,4A
efficiency 61,5%

1 × 262 watts, channel 1 + 2 bridged at 4 Ohm
2 × 253 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm
3 × 199 watts, channel 1 up to 6 bridged at 4 Ohm with 13,4V
supply voltage
Current consumption 84,2A
efficiency 52,9%

2 × 169 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm +
1 × 328 Watts channel 5 + 6 bridged at 2 Ohm with 13,4V
supply voltage
Current consumption 95,7A
efficiency 51,9%

666 watts total power