Hi, sometimes when i play through my pedalboard the volume dissapears gradually for about 1 second and then it comes back. the thing is that no matter what i do to the pedals, i can't trig the problem. there are no bad shielding noises what so ever. so i'm guessing the problem is my harley benton power supply which i bought of off thomann for about 30 USD. i should also mention that i get noises when i touch my suhr riot pedal when its engage, and it pops a little when turning it on and off. the noise depends on the level of distortion- any help would be much appreciated!