Home Videos The BOSS ME-90 – A Completely Revamped, Super Portable Amp & Effects Unit! The BOSS ME-90 – A Completely Revamped, Super Portable Amp & Effects Unit! Jul 06, 2023 comments off Tweet on Twitter Share on Facebook Pinterest battery powered amp modeler battery powered guitar amp battery powered pedalboard best budget amp modeler best budget multi effects best cheap amp modeler best cheap guitar modeler boss me-80 BOSS ME-90 boss me-90 review boss multi effects boss multi effects pedal boss pedals demo demonstration guitar effects pedals guitar multi effects mattery powered multi effects pedal multi effects multi fx multi fx guitar pedal pmt music pmtvuk review