So you only need to plug is one USB(the black one) to get the GameCube controller adapter to work with all 4 controllers. (X-Post from /r/Nintendo) : r/smashbros
Finally found one! : r/smashbros
Guide to the Best GameCube Controller Adapter for Nintendo Switch
I had no idea this worked! Using a Mayflash adapter on my Android phone! : r/emulation
Switch Dock Mod Adds Built-In GameCube Controller Ports | Nintendo Life
STL file SwitchCube Sleeve (Mayflash Controller Adapter)・3D print design to download・Cults
You can use the Smash Brothers Gamecube adapter in portable mode with a USB C adapter (Rumble works too) : r/NintendoSwitch
Having trouble with the old Mayflash GC to USB adapter and getting it to work with newer versions of Dolphin : r/SSBPM
Gamecube Nintendo Switch Dock I made. : r/NintendoSwitch
Amazon.com: MAYFLASH W010 Wireless Sensor Dolphinbar for PC USB Wii remote adapter used on PC Windows : Home & Kitchen
Brook "Mini GameCube" GameCube controller to switch adapter - Mini review : r/NintendoSwitch
The GameCube Controller, Powered by Open-Source Firmware (Review) : r/SSBM
Does the USB to gamecube adapter work in Wii mode on the Wii U? : r/wiiu
Amazon.com: Mayflash GameCube Controller Adapter for Wii U, PC USB and Switch, 4 Port : Video Games
![LAHD] Playing Link's Awakening with a Gamecube controller helps with the 8-directional movement : r/zelda](https://i.redd.it/9q0kmm7f7go31.jpg "LAHD] Playing Link's Awakening with a Gamecube controller helps with the 8-directional movement : r/zelda")
LAHD] Playing Link's Awakening with a Gamecube controller helps with the 8-directional movement : r/zelda
Overclock GCC Adapter Guide (both Wii U Adapter and 4-port MayFlash adapter) : r/SSBM
![Guide] Using A Gamecube Controller With A Mayflash Adapter (VirtualHere Not Required) : r/Steam_Link](http://i.imgur.com/icG0Is4.jpg "Guide] Using A Gamecube Controller With A Mayflash Adapter (VirtualHere Not Required) : r/Steam_Link")
Guide] Using A Gamecube Controller With A Mayflash Adapter (VirtualHere Not Required) : r/Steam_Link
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB – Lexuma
3D Printed Dock + Gamecube Adapter : r/NintendoSwitch
Just found out the Wii-U adapter works on switch! It's time to get serious about smash. : r/gaming
Mayflash 4 Port GameCube Adapter - In Game Reset is not working | GBAtemp.net - The Independent Video Game Community
Advantage of Nintendo vs Mayflash Gamecube adapter? : r/nintendo
Is there a best gamecube controller adapter for PC, or they're pretty much equal? : r/SSBM
![With a few hitches, info in comments] Mayflash's Gamecube Controller Adapter now works with the Switch : r/smashbros](https://external-preview.redd.it/ZP6XXtwUWpvR0VTlIFnpwwhZe7t5g4UJRu1JHHMpp9s.jpg?auto=webp&s=428318eb8b2506d452aa6e4320a486738e99aabf "With a few hitches, info in comments] Mayflash's Gamecube Controller Adapter now works with the Switch : r/smashbros")
With a few hitches, info in comments] Mayflash's Gamecube Controller Adapter now works with the Switch : r/smashbros
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB – Lexuma
Help, which Mayflash driver do I need for my Gamecube adapter? : r/DolphinEmulator
