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

AMA Stereo 50 plus plus

1 × 59 watts, channel 1 at 4 Ohm
2 × 51 watts, channel 1 + 2 at 4 Ohm

2 × 72 watts, channel 1 + 2 at 2 Ohm

144 watts total power

Die Endstufe ist zwar 2 Ohm stabil aber nicht brückbar.