The RJ14 connector only uses two of the possible four wires (seen on Model number: 95065).The insides of the guitar show a few interesting things: RJ14 connector, to be used for an Effects pedal add-on that was never released.Xbox 360 accessories, like on the Xbox 360 controller.
The controller includes two input connections: The guitar's cord uses the break away cord connection, like controllers of the original Xbox console. The PC and Macintosh releases have the same software limitation of two local players at a time.
The guitar controller plugs into the Xbox 360 via the USB ports. It is also the only guitar controller officially supported by Aspyr Media (developer of the PC and Macintosh releases). The RedOctane X-Plorer Controller for these games is based on the Gibson Explorer, a type of electric guitar. The case for the game disc and manual of Guitar Hero III: Legends of Rock for the PC called the controller the Guitar Hero 3 Official PC Guitar Controller. The Xbox 360 controller works with the PC using a driver with Windows ( XP SP2 or Vista only). This same controller was also bundled with Guitar Hero III: Legends of Rock for the personal computer (PC) and Macintosh. The RedOctane X-Plorer Controller was a controller created by Activision and RedOctane released in bundles with Guitar Hero II for the Xbox 360, some bundles of Guitar Hero III: Legends of Rock, or available separately.