The Zoom 506 Bass is an interesting multi effects processor. It has a total of 24 effects (9 you can use simultaneously) and 24 programmable user patch locations. Some of the effects you can find on this beast are: distortions, delays, reverbs, wah, chorus, flanger, EQ, 2-octave pitch bend and more! It has a built in chromatic tuner which is perfect for noise applications (note: sarchasm). It's a great effect for noise. Operates with 9-volt 'barrel' type adapter or a 9 volt battery.