BOSS - BOSS KATANA VERSION 4 SOFTWARE UPDATE COMING IN DECEMBER! Attention first-generation Katana owners—a new Version 4 software update for the Katana-50, Katana-100, Katana-100/212, and Katana-Head will be available on Dec.
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Boss Katana MKII Amps Get Version 2 Software Update, Here's What's New | Music News @ Ultimate-Guitar.Com
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