NAMM '18 - PRS Mark Tremonti MT15 and 2018 S2 Studio Limited-Edition Demos Jason ShadrickJanuary 26, 2018VideoA fire-breathing 15-watt beast and a new S2 model packed with interesting tones.whats-newnamm-2018guitarsvideosmark-tremontitube-headhumbucker-equippedgear-show-demoprsspecial-featured-storiesampsgear6l6GearElectric GuitarsAmpsVideosNAMMReviews