so te tech guys was here ,everything is ok ,he told me that the amplifier in this unit whit all the WOW (special effect) on, is on maximum around 50% of the volume before it start to make noise, so what i did is turn off the WOW program!!!!!!!!. for now is ok, but i said to my wife to be prepared to see 2 new inwall w3 speaker whit a new amp denon dra-295.

m3ti -vp100 -w3 -qs4