provided by MuMpel from the Hififorum

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

RTO SX-5002 Plus

1 × 44 watts, channel 1 at 4 Ohm
2 × 42 watts, channel 1 + 2 at 4 Ohm
4 × 37 watts, channel 1 up to 4 at 4 Ohm
Current consumption 18,6A
efficiency 59,3%

1 × 125 watts, channel 1 + 2 bridged at 4 Ohm
2 × 102watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm
Current consumption 30,5A
efficiency 49,6%

204 watts total power