KATANA:GO is a guitar/bass headphone amplifier that provides a top-of-the-line playing experience. In a smart, palm-sized enclosure, it features dynamic and responsive KATANA Amp sound and a wide variety of high-quality BOSS effects. It also comes with a variety of ready-to-use preset memories. Furthermore, with BOSS's spatial audio technology, the STAGE FEEL function allows you to enjoy immersive playing that you can't get with regular headphones, and share tones created with users around the world, among other unique features. From those just starting out on guitar/bass to experienced players who want to play more easily, KATANA:GO will enrich the daily lives of all guitarists/bassists. This is the first model of KATANA:GO. It is an unopened, unused item.