Revv Amplification G20 Demo | NAMM 2020 Jason ShadrickJanuary 16, 2020VideoCheck out the brand-new, lunchbox-sized gain monster that offers integrated Two Notes cab and mic emulation.revv-amplificationwhats-newvideostube-headgear-show-demonamm-2020special-featured-storiesampsgearGearEffectsAmpsNAMMVideosReviews