BOSS - BOSS KATANA VERSION 4 SOFTWARE UPDATE AVAILABLE NOW! Attention first-generation Katana owners—a new Version 4 software update for the Katana-50, Katana-100, Katana-100/212, Katana-Head, and Katana Artist is available now! The
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Boss just gave players more reasons to pick up a Katana MkII with impressive Version 2 software update | Guitar World
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