Multifunction footcontroller for Blackstar ID:Core Stereo 20 or ID:Core Stereo 40 amps Mode 1 lets you switch channels and switch effects on and off Mode 2 scrolls up and down through patches Rugged, all-metal design Take control of your Blackstar ID:Core Stereo 20 or ID:Core Stereo 40 amplifier with the 2-button Blackstar FS-11 footcontroller. The all-metal FS-11 offers two modes of operation to make your gig and rehearsals run smooth. Mode 1 offers the standard channel switching and effects on and off functions. Mode 2 lets you scroll up and down through your presets so you can quickly get to your next sound. Capture the full functionality of your Blackstar ID:Core Stereo amp with the Blackstar FS-11 Footcontroller! Brand Blackstar SKU 101198105_NP-1021920318 Model BA101004-Z