BOSS KATANA:GO KTN-GO2 Headphone Amp for Guitar & Bass with Bluetooth

Spec sheet

Practise guitar or bass through headphones at home, between sessions or wherever you can plug in your instrument. The BOSS KATANA:GO KTN-GO2 brings sounds inspired by the Katana amp series to your instrument’s output jack, with 3D spatial audio and Bluetooth streaming for backing music from a smartphone.

If you want a full amp setup for playing aloud, a conventional amplifier suits that need, for personal practice with headphones and a choice of ready-to-play tones, this compact digital modelling amp keeps the focus on playing.

• Type: Digital modelling headphone amplifier
• Compatibility: Guitar and bass
• Guitar mode: 10 amp types and over 85 effects
• Bass mode: 3 amp types and over 65 effects
• Audio output mode: 3D spatial audio
• Connectivity: Bluetooth, 6.35 mm jack, 3.5 mm jack
• Power source: Battery
• Material: Metal
• Weight: 200 g
• Model: KTN-GO2

Compatibility

KATANA:GO has dedicated guitar and bass modes, so one headphone amp can serve either instrument. Choose the mode that matches what you’re playing: guitar mode offers 10 amp types and over 85 effects, while bass mode provides three amp types and over 65 effects. This makes it useful for players who switch between guitar and bass and want access to instrument-specific tones in a personal practice setup.

Tone editing and Bluetooth streaming are designed to work with a smartphone. You can shape sounds and play backing music through the device while practising, making it easier to work on parts alongside a track rather than playing in isolation. BOSS Tone Exchange also gives you a library of sounds to explore across different styles.

Best use cases

For a quick practice session, connect your guitar or bass, put on headphones and choose a tone suited to the part you want to play. The 3D spatial audio mode adds a more immersive presentation, while the range of amp types and effects gives you options for shaping the sound around a song or playing style. Bluetooth backing tracks let you practise along with music from your smartphone without setting up a separate amp and speaker arrangement.

The small, metal-bodied unit weighs 200 g, making it a practical companion to keep with your instrument for everyday playing. It also suits focused tone exploration: edit sounds on a smartphone, try options from BOSS Tone Exchange, then return to your instrument and play. Buyers particularly highlight its usefulness for headphone practice, ease of use and the depth and variety of the available tones. Those impressions reflect their experience rather than a promise of a particular sound for every setup.

Questions before you buy

Can I use it with both guitar and bass? Yes. Select guitar mode for its 10 amp types and over 85 effects, or bass mode for three amp types and over 65 effects.

Can I play along with music? Yes. KATANA:GO supports Bluetooth streaming of backing music, so you can practise alongside audio from a smartphone.

How can I explore or adjust tones? Use smartphone-based tone editing to shape sounds, and explore additional options through BOSS Tone Exchange.

Is it worth it?

KATANA:GO is a strong fit for guitarists and bassists who want a compact, headphone-based way to practise with Katana-inspired sounds, effects and backing tracks. Its dedicated modes, spatial audio and smartphone tone tools bring several useful parts of a playing setup into one portable device, making it especially practical for daily jams and focused practice without a room-filling amp.