Whenever i do band practise at my local studio i always have a big problem with feedback and it's really pissing me off.

When i'm not playing the guitar all i can hear is feedback, i cannot reduce the volume level because then i can't hear myself over the drums and if i reduce the gain then that kind of defeats the point of playing metal for me.

My setup is as follows: Bass: 6, Mid: 4, Treble: 7. i use a Zoom G2.1u multi-effects pedal and a Seymore Duncan Dimebucker pickup.

i cannot move further from the amp because the room is tiny.

Any help will be appreciated .