The Raphnet Wii Classic Controller to USB is the real del. It's seriously as good as a Wired Xbox 360 guitar. Legitimately buy one of these if you have a Wii Guitar.
raphnet. - Classic controller to USB adapter - V3
Raphnet PS1/PS2 Controller to USB Adapter - Etsy
raphnet. - Classic controller to Gamecube/Wii adapter
raphnet. - Classic controller to USB adapter - V3
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raphnet. - Classic controller to Gamecube/Wii adapter
raphnet. - Classic controller to USB adapter - V2
raphnet. - Gamecube controller to Wiimote adapter
raphnet. - Products
raphnet. - Dual Classic controller to USB adapter - V2
raphnet. - Wusbmote: Wiimote accessory to USB adapter
raphnet. - Classic controller to USB adapter - V3
raphnet. - Classic controller to USB adapter - V3
raphnet. - SNES controller to Wiimote adapter
raphnet. - Classic controller to USB adapter - V3
raphnet. - NES controller to Wiimote adapter
Raphnet Nintendo Classic Controller USB Adapter for PC SNES Wii Guitar Drum | eBay
raphnet. - Megadrive/SMS controller to Wiimote adapter (v2)
raphnet. - Classic controller to USB adapter - V3
raphnet. - Sega Saturn controller to USB adapter (v2)