The polyphonic MEL9 uses the same extraordinary technology as the B9, C9 and KEY9 to transform your axe and resurrect the sound of vintage tape-based keyboards. Quick Specs - Pays homage to nine of the coolest Mellotron® sounds: Orchestra, Cello, Strings, Flute, Clarinet, Saxophone, Brass, Low Choir and High Choir - Works on guitar without modifications, special pickups or MIDI implementation and tracks bends, slides, even whammy dive bombs! - Also works with bass guitar down to the open A string as well as keyboards within the limits of its polyphony (5 notes) and range (A1 to A5) - Includes independent Effect and Dry volume controls so you can create the perfect mix at the Effects output - Dry Output jack outputs your input signal at unity gain - Attack control sets the volume swell speed. As it’s turned clockwise the notes fade in more gradually - Sustain control adjusts the release time after a sound is stopped. As it’s turned clockwise, the fade out time increase - Comes with a standard EHX 9.6DC200mA PSU