Глянь ещё на функционал такого аппарата - может подойдёт:
BOSS MS-3 Multi Effects Switcher Features:
Multi-effects pedal and loop switcher for electric guitar and bass
112 built-in effects covering delays, reverbs, pitch shifter, chorus, flanger, phaser and more
3 external loops for your effects pedals
6 internal effects slots can be placed anywhere in the chain along with the pedal loops
Built-in tuner, noise suppressor, and global EQ to minimize your need for external utility pedals
Can be used to change your amp's channels and interface with MIDI gear
Create your own custom patches for easy recall
USB connectivity for patch creation and backup with free MS-3 editor/librarian software (Mac/PC)