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

Blaupunkt BQX 320

1 × 56 Watts channel 1 at 4 Ohm
2 × 51 Watts channel 1 + 2 at 4 Ohm
4 × 44 Watts channel 1 up to 4 at 4 Ohm

1 × 149 Watts channel 1 + 2 bridged at 4 Ohm
2 × 119 Watts channel 1 + 2 and 3 + 4 bridged at 4 Ohm

238 watts total power