First Look: Walrus Audio DEFCON4 Brandon HighfillSeptember 3, 2018VideoWe investigate whether Ryan Adams' new signature EQ/preamp/boost can bring tonal harmony to single-coils and humbuckers.featured-storieswalrus-audiowhats-newvideospreampfirst-lookboosteffectsrecommended-productsgeareqryan-adamsGearEffectsFirst LooksVideosReviews