The Electro-Harmonix Freeze Sound Retainer pedal delivers infinite sustain of any note or chord at the press of a momentary footswitch. Release the footswitch and again you are sample-ready. The Freeze Sound Retainer pedals" 3 selectable decay ratesincluding a latch modeguarantee liquid smooth tonal transitions. Hook the E-H Freeze Sound Retainer to your favorite pedals for a sonic collage unlike anything you"ve ever heard. The Freeze Sound Retainer is almost like Electro-Harmonix adding an extra musician to your band.Real-time sample capture with perfect looping Latch mode for infinite sustain at the touch of a momentary switch Fast decay mode Slow decay mode Latch mode for infinite sustain of sample capture Smooth tonal transitions between captures Optional 9.6DC 200 power supply Handles input gains from pedal boards