provided by DER-KONDENSATOR!!! from the Hififorum

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

Concord CA4020

1 × 14 watts, channel 1 at 4 Ohm
2 × 13 watts, channel 1 + 2 at 4 Ohm
4 × 13 watts, channel 1 up to 4 at 4 Ohm
Current consumption 6,4A
efficiency 60%