Combining classic tube sound and feel with next-generation tonal diversity, the BOSS Nextone series presents an exciting new concept in professional guitar amplification. Distinctive channel voicings deliver a wide range of inspiring tones, while four selectable Class AB analog power amp types provide instant access to the unique characteristics of 6V6, 6L6, EL84, and EL34 output tube sections. Backed by our advanced Tube Logic approach, each power amp type re-voices the entire circuit from input to output, putting the complete sonic experience of these signature power stages in one amp for the very first time.

Want to dive deeper with even more sound customization? Just connect to the Nextone Editor and become a virtual tech, fine-tuning bias, sag, and other internal settings to perfectly match your individual style and touch. Nextone also includes convenient modern features for stage playing, such as built-in effects, a line out for mic-free direct tone, and a power control for expressive cranked-amp sound at manageable volumes. And thanks to Tube Logic, you get to enjoy all the great sound and response of your favorite tube designs without the backbreaking weight and ongoing maintenance hassles.

Combining classic tube sound and feel with next-generation tonal diversity, the BOSS Nextone series presents an exciting new concept in professional guitar amplification. Distinctive channel voicings deliver a wide range of inspiring tones, while four selectable Class AB analog power amp types provide instant access to the unique characteristics of 6V6, 6L6, EL84, and EL34 output tube sections. Backed by our advanced Tube Logic approach, each power amp type re-voices the entire circuit from input to output, putting the complete sonic experience of these signature power stages in one amp for the very first time.

BOSS Katana-50EX MK3 (Gen 3)

The BOSS Katana-50EX MK3 is a 50-watt combo amplifier that blends classic playing feel with modern flexibility. Featuring enhanced Tube Logic voicings including the new "Pushed" amp type and robust on-board effects, it’s built for musicians who want expressive tone and intuitive control. Its upgraded speaker, line output with cabinet emulation, and Stereo Expand capability make it especially well-suited for live performance and studio recording.

Specifications

• Power Output: 50 watts (Class AB)

• Speaker: 12″ custom driver

• Amp Types: 6 modes including Acoustic, Clean, Pushed, Crunch, Lead, Brown

• Effects: Five independent sections—Booster, Mod, FX, Delay, Reverb

• Tone Studio Support: Edit sounds via software; includes IR cabinet modeling features

• Controls: Master, Gain, Volume, Bass, Middle, Treble, plus effect-specific knobs

• Memory: 4 onboard Tone Setting memories

• Power Control: Standby, 0.5 W, Half, Max

• Connectivity:

  • Line Out (cabinet-emulated)

  • Stereo headphone output

  • Power Amp In

  • AUX In

  • USB-C

  • GA-FC/GA-FC EX foot controller jacks

  • Bluetooth adapter slot (via optional accessory)

• Special Features: Stereo Expand, upgraded speaker, expressive Pushed channel

• Dimensions (W × D × H): 470 × 238 × 398 mm

• Weight: 11.7 kg (25 lb 13 oz)

BOSS Katana-50 Gen 3 Guitar Amplifier

The BOSS Katana-50 Gen 3 is a 50-watt combo amp that delivers powerful, expressive tone in a compact design. It features advanced Tube Logic technology, a new “Pushed” amp character, built-in effects, and versatile connectivity, making it ideal for practice, recording, and live performance.

Specifications

• Power Output: 50 W (Class AB) with selectable power modes (Max, Half, 0.5 W)

• Speaker: Custom 12″ driver

• Amp Characters: 6 types—Acoustic, Clean, Pushed, Crunch, Lead, Brown; each with a variation for a total of 12 voices

• Effects: Five independent sections—Booster, Mod, FX, Delay, Reverb, each with three variations (15 effects total)

• Tone Settings: Four onboard memory slots for storing presets

• Power Control: Allows high-gain tones at low volumes

• Connectivity:

  • USB-C for direct recording and editing

  • Stereo headphone output with cabinet simulation

  • Power Amp In for using external modelers or pedalboards

  • AUX In for backing tracks

  • Footswitch jacks for external control

  • Optional Bluetooth adapter slot for wireless editing and streaming

• Tone Studio App: Deep editing, effect customization, cabinet resonance settings, contour EQ, and downloadable Livesets

• Dimensions: Approx. 470 × 238 × 398 mm

• Weight: Approx. 11.6 kg

• Switch instantly between four channels and two routes of loops, reverbs, boost settings, etc.
• Simultaneously connect two expression pedals* for realtime control of volume and drive
  
  Compatible products: Blues Cube Artist, Blues Cube Artist212, Blues Cube Tour, CUBE-80GX, CUBE-40GX, GA-212, GA-112, KATANA-100/212, KATANA-100, KATANA-HEAD, Acoustic Singer Pro, Acoustic Singer Live, Nextone Artist, Nextone Stage, WAZA Tube Amp Expander.
  
  *EV-5, FV-500L, and FV-500H are available as optional expression pedals for the GA-FC.

Katana MkII takes the acclaimed Katana guitar amp series to the next level, turbocharging the core platform with more sounds, more effects, and more features. Newly voiced variations are now available for all five amp characters, doubling the tonal options. And the onboard effects categories have been expanded from three to five, providing even more real-time processing to choose from. The usability has been ramped up too, with a power amp input for modelers and multi-FX, easy stereo expansion for dual amp setups, updated editor software, and many other enhancements.

• Stage-ready 100-watt combo amp with two custom 12-inch speakers
• Five unique amp characters: Clean, Crunch, Lead, Brown (derived from the Waza amp), and Acoustic (for acoustic-electric guitars)
• Choose from a huge selection of customizable effects and effect routing configurations with the BOSS Tone Studio editor software
• Dedicated gain, EQ, presence, and effects controls for adjusting sounds quickly
• Eight Tone Setting memories for storing and recalling all amp and effect settings
• Power Control for achieving cranked-amp tone and dynamic response at low volumes
• Three Cabinet Resonance types for fine-tuning the tone and feel
• Mic’d cabinet emulation on the line, USB, and phones/recording outputs, with customizable tone via three Air Feel settings
• Channel and global parametric EQs for refined sound shaping
• Built-in tilt stand for optimal monitoring and sound projection
• Pro setups available at BOSS Tone Central
  
  Katana Version 4 Newly Added Features
• Effects expanded to 65 total types; Heavy Octave, Stereo Delay, and Pan Delay added
• New Pedal FX section makes it easier to set up foot-controlled wah and pedal bend effects in BOSS Tone Studio
• Dedicated mode for using a 100-watt Katana model as a slave amp for the Katana MkII’s Stereo Expand feature

Katana MkII takes the acclaimed Katana guitar amp series to the next level, turbocharging the core platform with more sounds, more effects, and more features. Newly voiced variations are now available for all five amp characters, doubling the tonal options. And the onboard effects categories have been expanded from three to five, providing even more real-time processing to choose from. The usability has been ramped up too, with a power amp input for modelers and multi-FX, updated editor software, and many other enhancements.

• Light and portable 100-watt amplifier head with powerful, gig-ready sound
• Five unique amp characters: Clean, Crunch, Lead, Brown (derived from the Waza amp), and Acoustic (for acoustic-electric guitars)
• Choose from a huge selection of customizable effects and effect routing configurations with the BOSS Tone Studio editor software
• Dedicated gain, EQ, presence, and effects controls for adjusting sounds quickly
• Eight Tone Setting memories for storing and recalling all amp and effect settings
• Power Control for achieving cranked-amp tone and dynamic response at low volumes
• Three Cabinet Resonance types for fine-tuning the tone and feel
• Mic’d cabinet emulation on the line, USB, and phones/recording outputs, with customizable tone via three Air Feel settings
• Channel and global parametric EQs for refined sound shaping
• Integrated 5-inch monitor speaker for practice without an external cab
• MIDI input for Tone Setting selection and effects on/off from a MIDI foot controller
• Pro setups available at BOSS Tone Central
  
  Katana Version 4 Newly Added Features
• Effects expanded to 65 total types; Heavy Octave, Stereo Delay, and Pan Delay added
• New Pedal FX section makes it easier to set up foot-controlled wah and pedal bend effects in BOSS Tone Studio
• Dedicated mode for using a 100-watt Katana model as a slave amp for the Katana MkII’s Stereo Expand feature

A Revolutionary New Tone Experience for Guitar

Fusing premium amp and effect tones with breakthrough BOSS spatial technology, the revolutionary Waza-Air takes the guitar experience where it’s never gone before. This personal amplifier system brings stunning realism to playing with headphones, using a gyro sensor and moving 3D space to deliver natural “amp-in-room” tone that’s rich, resonant, and infinitely inspiring. All-wireless connectivity means there are no cables to slow you down, and you can stream music from your phone and play as if you’re performing on stage in a full band. And with the BOSS Tone Studio app, you’re able to craft custom sounds with five amp types and over 50 different effects.

• Specially designed cabinet for maximum compatibility with the Waza Amp Head
• Two custom-made 12-inch speakers, developed for the legendary early rock sound and high power-handling capacity
• Selectable open/closed-back cabinet designed in combination with the custom-made speakers for a strong presence in the ensemble and full-face resonance
• Cabinet impedance: 16 ohms

• Great Katana tone in a highly portable amp
• Rich, full sound that far exceeds other amps in its class
• Authentic multi-stage analog gain circuit and three-band analog tone stack
• Three versatile amp types: Brown, Crunch, and Clean
• Built-in tape-style delay for warm ambience
• Aux input for jamming with music from a smartphone
• Phones/recording output with cabinet voicing
• Runs on six AA-size batteries or optional AC adapter