No.stk 4191 ic is dual supply 35-0-35v.but tpa3116 is single supply 12-24.so this ic can't make RMS 50w.this ic is peak 50w.But good stk 4191 ic can make RMS 50W.tpa3116 can make RMS 30-35w.stk 4191 ic is more powerful than tpa3116.your videoes are good.stk 4191 is a good amplifier.thank you.