Katana in Your Pocket Compact, convenient, and loaded with tone, KATANA:GO is an essential companion for daily jams with your guitar or bass. This powerhouse headphone amp puts authentic sounds from the stage-class Katana amp series at your instrument’s output jack, paired with a host of wireless music streaming, sound editing, and learning tools on your smartphone. Advanced spatial technology provides a rich 3D playing experience, while BOSS Tone Exchange offers an infinite sound library to explore any style. Whether you’re a developing hobbyist or a pro keeping up your chops, KATANA:GO keeps you inspired everywhere you play.