HOW TO MODIF JUMPER COMBINING TR FINAL POWER 4 CH (part1)

This video how to join TR FINAL
or other appropriate title is: how to modify the power 4CH SO 2CH by maximizing the function of ALL the final tr in it.
this method is efficient if the use of the unit / power only on the option 1ch or 2ch bass / subb only.
& if usage on 4ch OF COURSE does not need to DO THIS WAY,
happy watching this video
thanks.