The Sanpera I is a foot controlled signal processor that ncludes a Whammy Pedal, a Volume Pedal, a Wah Pedal and a Pitch Shifter pedal. All of the cool real-time pedal-controlled effects are available on a single board. Plus, there are four momentary feature selector buttons. The Sanpera I is housed in roadworthy and rugged cast-metal casing and features high-quality metal switches.