This Listing is for a Double Bass Pedal Adaptor for the Guitar Hero drum kit. The newer Guitar Hero Metallica, Guitar Hero 5, Guitar Hero Smash hits as well as all upcoming titles also have additional (Expert+) difficulty setting that requires 2 bass pedals to replicate fast and powerful drumming. This double bass adapter is compatible with all Guitar Hero games that use a drum controller (World Tour, Smash Hits, GH5, Van Halen, Metallica, etc.) and it adds a new level of difficulty and realism to the game. In order to make the game more involved for experienced players, or easier for less experienced players, you can now attach 2 bass pedals to your Guitar Hero Drum kit! Guitar Hero Metallica, Guitar Hero 5, Guitar Hero Smash hits and all upcoming games also have an extra difficulty setting (Expert+) requiring the use of 2 bass pedals to replicate fast and powerful drumming. This adapter is compatible with all Guitar Hero drumming games (World Tour, Band Hero, Metallica, Smash Hits, GH5, Van Halen, etc.) and adds a new level of realism to the game. This adapter will allow you to connect TWO foot bass pedals to your guitar hero or band hero drum kit! This adapter is compatible with ALL GUITAR HERO AND BAND HERO DRUM KITS for all systems (XBOX 360, Wii, PS2, PS3) This adapter IS NOT compatible with Rock Band drum kits. 1 Year Replacement Warranty. MPF Products is a Registered Trademark.