Guys i FOUND SOLUTION!!!!
open sys.txt file
first put source number 3, like in previous pages, and then
Ensure os-volume is set up to 255 (my sample below 230)
Voice_volume to up 255 (my sample below set to 63)
[sound]
os_volume="230"
sound_volume="17"
voice_volume="63"
dynamic_volume_type="1"...