I added removable back panels to my Katana 100 : r/BossKatana
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boss katana 50 mk2 looper,Quality assurance,protein-burger.com
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Katana Version 2 Update Now Available - BOSS U.S. Blog
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Katana-50 mkII - Boss Katana-50 mkII - Audiofanzine
BOSS Katana 50 MKII Guitar Modelling Combo
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A Closer Look: Boss Katana 50 Mk II | guitarguitar
Boss Katana 50 MKII – Thomann Ireland
Boss Katana-50 MkII 1 x 12-inch 50-watt Combo Amp | Sweetwater
Boss Katana-100/212 Guitar Amplifier - Trax Music Store
Boss Katana 50 MKII – Thomann Ireland
BOSS - KATANA-50 | Guitar Amplifier
KATANA-50 | Guitar Amplifier - BOSS
