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

Phase Linear PB 4

1 × 78 Watts channel 1 at 4 Ohm
2 × 74 Watts channel 1 + 2 at 4 Ohm
4 × 72 Watts channel 1 up to 4 at 4 Ohm

1 × 222 Watts channel 1 + 2 bridged at 4 Ohm
2 × 213 Watts channel 1 + 2 and 3 + 4 bridged at 4 Ohm

426 watts total power