BOSS ME-30

Guitar Multiple Effects Processor.

It boasts 16 onboard effects enhanced by ultra-clean digital signal processing technology, a built-in expression pedal and much more. An onboard “Phrase Trainer” even allows you to record, slow down and play back audio phrases from CD’s or cassettes — a great way to practice all those tough riffs.

Runs on batteries or 9 volt DC power supply (not included).