![Amazon.com: Replacement for Boss 9V PSA Adapter Guitar Pedal Power Supply for Boss PSA-120S ME-80 ME-70 ME-25 ME-50B GT-100 GT-1 GT-10 AD-10 BR-80 BR-600 DB-88 DB-90 CE-2B BOSS Mini Katana RE-20 RC-1 Amazon.com: Replacement for Boss 9V PSA Adapter Guitar Pedal Power Supply for Boss PSA-120S ME-80 ME-70 ME-25 ME-50B GT-100 GT-1 GT-10 AD-10 BR-80 BR-600 DB-88 DB-90 CE-2B BOSS Mini Katana RE-20 RC-1](https://m.media-amazon.com/images/I/61Tk54d9P6S._AC_UF894,1000_QL80_.jpg)
Amazon.com: Replacement for Boss 9V PSA Adapter Guitar Pedal Power Supply for Boss PSA-120S ME-80 ME-70 ME-25 ME-50B GT-100 GT-1 GT-10 AD-10 BR-80 BR-600 DB-88 DB-90 CE-2B BOSS Mini Katana RE-20 RC-1
![Hey boys and girls, I've got a new Boss Gt1 pedal and a charger 9 V (660 mA) and if I put it together... nothing happens. The GT1 works fine with batteries... Hey boys and girls, I've got a new Boss Gt1 pedal and a charger 9 V (660 mA) and if I put it together... nothing happens. The GT1 works fine with batteries...](https://i.redd.it/extp56g8j9w31.jpg)
Hey boys and girls, I've got a new Boss Gt1 pedal and a charger 9 V (660 mA) and if I put it together... nothing happens. The GT1 works fine with batteries...
![Amazon.com: Replacement for Boss 9V PSA Adapter Guitar Pedal Power Supply for Boss PSA-120S ME-80 ME-70 ME-25 ME-50B GT-100 GT-1 GT-10 AD-10 BR-80 BR-600 DB-88 DB-90 CE-2B BOSS Mini Katana RE-20 RC-1 Amazon.com: Replacement for Boss 9V PSA Adapter Guitar Pedal Power Supply for Boss PSA-120S ME-80 ME-70 ME-25 ME-50B GT-100 GT-1 GT-10 AD-10 BR-80 BR-600 DB-88 DB-90 CE-2B BOSS Mini Katana RE-20 RC-1](https://m.media-amazon.com/images/I/71crLP2BcsS._AC_UF350,350_QL80_.jpg)
Amazon.com: Replacement for Boss 9V PSA Adapter Guitar Pedal Power Supply for Boss PSA-120S ME-80 ME-70 ME-25 ME-50B GT-100 GT-1 GT-10 AD-10 BR-80 BR-600 DB-88 DB-90 CE-2B BOSS Mini Katana RE-20 RC-1
![MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Boss ME-50 Multi-Effects - US Plug - Ac Adapters - Amazon.com MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Boss ME-50 Multi-Effects - US Plug - Ac Adapters - Amazon.com](https://m.media-amazon.com/images/I/61O-qsP4YqL._AC_UF894,1000_QL80_.jpg)