NAMM '19 - GFI System Dual Engine Modulation Prototype Demo Jason ShadrickJanuary 26, 2019VideoListen to a brand-new box that's full of modulated sounds.phasergearvideostremologear-show-demochorusnamm-2019gfieffectsspecial-featured-storieswhats-newGearEffectsVideosNAMMReviews