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Boss Katana MkII firmware

Boss active Device launched 2019
Get alerts for new Katana MkII firmware
Free · one message per release

Latest firmware

2.00
released 1 Jul 2022
Download firmware from boss.info · needs Boss Tone Studio for Katana MkII

What's new in 2.00

Functionality Improvement LINE OUT Custom settings have been added. EFFECTS An effect chain has been added. "SOLO EQ", "PEDAL BEND", and "CENTA OD" have been added. CONTOUR In addition to switching between three types of tone definition (contour) characteristics, you can now configure your own custom settings. SOLO You can now use each FOOT CONTROL jack as a SOLO jack. EQ2 EQ2 has been added, so that you can now use two EQs. GLOBAL EQ You can now set three types of global equalizers. * Using the settings requires BOSS TONE STUDIO for KATANA Mk II version 2.0.0 or later.

Last checked 26 Oct 2026

Release notes on boss.info ↗

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How to update the Boss Katana MkII

Update via USB mass storage. Same version for all Katana MkII models.

What you need

Boss Tone Studio for Katana MkII — the software Boss uses to load firmware onto the Boss Katana MkII. Download links below.

Just for reference. For complete and up-to-date instructions, always refer to the manufacturer's official firmware page.

Drivers & software for the Boss Katana MkII

The Boss Katana MkII is updated with Boss Tone Studio for Katana MkII, published by Boss.

Download Boss Tone Studio for Katana MkII from Bossopens in a new tab — boss.info

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Boss Katana MkII firmware update history

Changelogs summarised from the manufacturer's release notes.

2.001 Jul 2022

Release notes for this version are listed above.

Release notesopens in a new tab — boss.info

Boss Katana MkII firmware FAQ

What is the latest firmware for the Boss Katana MkII?

The latest firmware for the Boss Katana MkII is version 2.00, released on 1 Jul 2022. FW//RADAR last checked Boss's official page on 26 Oct 2026.

How do I update the Boss Katana MkII?

Update via USB mass storage. Same version for all Katana MkII models. Full instructions on Boss's official firmware page.

What software do I need to update the Boss Katana MkII?

You need Boss Tone Studio for Katana MkII, available from Boss's support site.

Where can I download Boss Katana MkII firmware and drivers?

Directly from Boss's official firmware page — FW//RADAR links to the source and never hosts firmware files. Official firmware page →

Where can I find the Boss Katana MkII manual?

The official Boss user manual is published on boss.info. Boss Katana MkII user manual →

Is the Boss Katana MkII still receiving firmware updates?

The last firmware release we recorded is 2.00 from 1 Jul 2022. FW//RADAR still checks Boss's page daily.

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