Orca packs four quintessential GFI System’s reverb algorithms into a compact pedal that is straightforward and easy to use. Intuitive user interface coupled with an LCD screen makes it a breeze to navigate through Orca r’s vast sonic pallete and features.Orca packs four quintessential GFI System’s reverb algorithms into a compact pedal that is straightforward and easy to use. Intuitive user interface coupled with an LCD screen makes it a breeze to navigate through Orca r’s vast sonic pallete and features.