Power (4 ohms, RMS, 14.4 V, THD 1%): 4 x 55 W + 1 x 160 W. Power (2 ohms, RMS, 14.4 V, THD 1%): 4 x 90 W + 1 x 280 W. Power, bridged channels 1-2 and 3-4 (RMS, 14.4 V, THD 1%): 2 x 75 W (4 ohms) + 1 x 260 W (4 ohms)