provided by frieder80 from the Hififorum

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

JBL GTS 180

1 × 77 watts, channel 1 at 4 Ohm
2 × 71 watts, channel 1 + 2 at 4 Ohm

1 × 199 watts, channel 1 + 2 bridged at 4 Ohm

199 watts total power