What is Talkbox? Talkbox was originally developed to add a wah-wah effect to a guitar by directing guitar talkbox sound to the mouth through a plastic tube. The mouth acts as a filter and changing the shape of the mouth results in a wah type effect. You may have heard guitar talkbox sound from the intro of Bon Jovi's “Livin' On A Prayer.” When talkbox was first released, it was called by various n