Hi I need some help with this repair. The amplifier is working well the only problem is the low frequency amplifier is heating a lot even at Idle. I made some comparisons with the other active speaker and found out that the frequency of the PWM is running at 550Khz while the other active speaker which runs cool runs at 300Khz. Could it be the case of overheating due to switching losses? IF so how can I cure this problem?