Electro-Harmonix String9 String 9 Ensemble Electric Guitar Effect PedalWelcome, you are looking at a great piece. This is the Electro Harmonix String 9 String & Synth Emulator Guitar Effect Pedal. The polyphonic STRING9 String Ensemble transforms a guitar into nine different string ensembles and string synthesizers while requiring zero modifications, special pickups, or MIDI implementation. It relies on the same technology powering all EHX 9 Series pedals. In a 9 Series first, the STRING9 includes the signature EHX