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Amazon.co.jp: BOSS / KATANA-MINI (with dedicated adapter PSB-100) KTN-MINI Boss Guitar Amplifier, Battery Operated, Portable Amplifier : Musical Instruments
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Amazon.com: 9V AC Power Supply Adapter for Boss Katana-Mini Battery Powered Guitar Amplifier Replaces Boss PSA-120S Guitar Distortion Effects Pedal DS-1 RC-1 RC-3 TU-2 PSB-1U PSB1U Charger Cable Cord (6.5 ft) :
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9v 2a Ac Adapter Power Supply For Boss Katana-mini Battery Powered Guitar Amplifier - Printer Parts - AliExpress
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