I found the classic tones patch by Josh Munday on the Tone Central website, but there doesn't seem to be any way to actually install the patch (Katana 50 MkII) : r/BossKatana
Guitar effect patches for Boss Katana :.
Brett Kingman BOSS KATANA MkII Patch Collection
Got a new Boss Katana 50 MKii. Looking for some nice John Mayer type clean tones. Any patches? : r/BossKatana
BOSS - KATANA-50 MkII | Guitar Amplifier
Boss Tone Studio Tutorial - Editing Tone Settings (Katana MkII) - YouTube
Boss Katana | JustinGuitar.com
Boss Katana Dumble patches created by Cal Scott - YouTube
BOSS - KATANA-50 MkII | Guitar Amplifier
2 FUNK Guitar Tones Using Boss Katana MK2 | FREE PATCHES - YouTube
Roland - Brett Kingman BOSS KATANA MkII Patch Collection
1.400 Patches Boss Katana 100 mk-2 MKII Custom Tone preset Lib
Boss Katana-100 MkII 1x12 inch 100-watt Combo Amp | Sweetwater
Andertons BOSS Katana Patches - Download For Free! - Andertons Music Co.
Boss Katana Patches | Facebook
HOW TO CREATE PATCHES FOR A LIVE GIG - BOSS KATANA TUTORIAL - INCLUDES 4 FREE PATCHES!!! - YouTube
BOSS KATANA MKI / MKII - BEAUTIFUL STRAT TONE - FREE PATCH!!! - YouTube
Mesa Mark II C Plus - Juca Nery Guitar
Dream Tone One - Boss Katana MKII - Juca Nery Guitar
New amp day! Send all your best metal patches : r/BossKatana
Roland - Exploring The Hidden Powers Of The Katana Guitar Amp
BOSS KATANA MKII - MESA BOOGIE MARK C II PLUS - TONES - 7 PATCHES - YouTube