Why This Guitar

Product Highlights

Evolved Tube Logic Sound — A key addition is the new 'Pushed' amp character, meticulously designed for players who love the dynamic, touch-sensitive tone of an amp at the edge of breakup.
Stage-Ready Power and Effects — This amplifier is a complete solution for any guitarist, combining 50 watts of gig-ready power with a custom 12-inch speaker for assertive tone that cuts through a mix.
Versatile Control and Connectivity — The Power Control allows you to achieve cranked-amp tone at low volumes, while the stereo headphone and cab-sim USB outputs make silent practice and direct recording seamless.
Building on the acclaimed Katana platform, this third-generation model features evolved Tube Logic technology for enhanced sound, feel, and response.
With 50 watts of stage-ready power, a custom 12-inch speaker, and a comprehensive suite of onboard BOSS effects, the Katana-50 EX Gen 3 is a versatile and powerful tool for practice.

Available Since: August, 2026
Item No.: 20400692
Local SKU: OS

Evolved Tube Logic Sound

The Katana-50 EX Gen 3 features evolved Tube Logic technology that enriches the core platform with superior sound, feel, and response. A key addition is the new 'Pushed' amp character, meticulously designed for players who love the dynamic, touch-sensitive tone of an amp at the edge of breakup.

Stage-Ready Power and Effects

This amplifier is a complete solution for any guitarist, combining 50 watts of gig-ready power with a custom 12-inch speaker for assertive tone that cuts through a mix. Five independent effects sections—Booster, Mod, FX, Delay, and Reverb—provide a universe of sound-shaping possibilities right at your fingertips.

Versatile Control and Connectivity

Adapt to any playing environment with a host of modern features. The Power Control allows you to achieve cranked-amp tone at low volumes, while the stereo headphone and cab-sim USB outputs make silent practice and direct recording seamless. Further customize your sound with the updated BOSS Tone Studio app.

BY THE NUMBERS

Technical Specifications

Hardware & Setup

Body & Build

Finish & Colour

Bridge TypeNot applicable

EssentialNo

Electronics TypeDigital Modeling with Tube Logic

Back MaterialNot applicable

FinishNot specified

Pickup ConfigurationNot applicable

Body ShapeNot applicable

Pickup TypeNot applicable

CutawayYes

ControlsAmp Type Selector, Gain, Volume, 3-Band EQ (Bass, Middle, Treble), Booster/Mod/FX/Delay/Reverb Controls, Master Volume, Power Control

Fingerboard MaterialNot applicable

EssentialNo

Guitar TypeNot applicable

Neck MaterialNot applicable

Number of StringsNot applicable

Scale LengthNot applicable

Side MaterialNot applicable

Top MaterialNot applicable

Instrument TypeGuitar Amplifier

Everything you receive

What's In The Box

Boss Katana-50 EX Gen 3 50W 1x12 Guitar Combo Amplifier with Effects
Owner's Manual
Local Warranty Card

BOSS

The Maker

About BOSS

BOSS has shaped the sound of modern music with compact effects pedals, amplifiers, loop stations, rhythm tools, and performance processors. Known for durable construction and musician-friendly design, its products help guitarists, bassists, singers, and creators build distinctive sounds in practice, studio, and live settings.

View All BOSS Products

Expert answers

Questions & Answers

6 questions answered by aDawliah experts·avg response 2 hours

Yes, its intuitive controls make it easy to find great tones, while its advanced features provide plenty of room to grow, making it suitable for all skill levels.

Absolutely. The 50-watt output and custom 12-inch speaker provide ample volume and projection for small to medium-sized venues.

It offers immense versatility with six amp characters, including Clean, Crunch, Lead, Brown, Acoustic, and the new Pushed type, each with a variation. Combined with five onboard effects sections, it can cover genres from pristine pop to high-gain metal.

You can connect the amplifier directly to a computer or audio interface using the USB-C port, which provides a high-quality, cabinet-simulated output for recording.

Yes, the built-in Power Control feature allows you to reduce the output to 25 watts or even 0.5 watts, giving you authentic cranked-amp tone and feel at bedroom-friendly volumes. There is also a headphone output for silent practice.

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