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

Blaupunkt GTA 4100B

1 × 62 watts, channel 1 at 4 Ohm
2 × 58 watts, channel 1 + 2 at 4 Ohm
4 × 52 watts, channel 1 up to 4 at 4 Ohm
Current consumption 25,7A
efficiency 59,8%

1 × 169 watts, channel 1 + 2 bridged at 4 Ohm
2 × 142 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm
Current consumption 44,5A
efficiency 47,1%

284 watts total power