behringer xenyx x 24422 making noise throughout headphones even with everything unplugged


by juniel


hi hello ,i have a behringer xenyx x 24422 wich ismaking weird noises when i conect the headphones even with only mixer pluged is still happens ,if i use the monitors i have connected there is no noise it seems that is coming from the headphones jack ,i did try differents headphones and problem still there ,any help will be helpful ,have a nice day