The polyphonic EHX Superego Synth Engine reinvents sample and hold, performs fluid glissandos and creates oscillator like, synthesizer effects. It can stack sounds or create infinite sustain, it even lets you tweak attack and decay, or use its effects loop to invent novel synth patches. Indulge your guilty pleasures! Auto mode captures and freezes notes and chords as you play Controllable glissando Sustain notes and chords as long as wanted Insert effects into the wet signal with the effects loop Latch mode with a layer feature to stacksounds Power adapter included Specifications Circuit: Digital Bypass: Buffered Bypass Audio: Mono Effects Loop: Yes Power Supply: 9.6VDC-200mA power adapter included Dimensions (in): 4.75 x 4 x 2.25 Current Draw: 140mA Year Released: 2012