The Talk Box features its own integrated amplifier and speaker driver for contemporary gigging convenience, with Volume, Tone, and Gain controls to adjust your sound to preference. It delivers classic talk box sounds in a self-contained unit, ideal for guitar, keyboards, and other instruments. The built-in amplifier removes the requirement for an additional external amplifier. It is supplied with a bundle that contains a Dunlop ECB009 power supply, a Groovetech multi-tool, a 10-foot instrument cable, and 2 patch cables