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

Caliber CA450

1 × 61 watts, channel 1 at 4 Ohm
2 × 56 watts, channel 1 + 2 at 4 Ohm
4 × 48 watts, channel 1 up to 4 at 4 Ohm
Current consumption 26,4A
efficiency 53,4%

1 × 161 watts, channel 1 + 2 bridged at 4 Ohm
2 × 128 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm with 13,4V supply voltage
Current consumption 43A
efficiency 44,3%

256 watts total power