Check the listing for details. Electro-Harmonix Soul Preacher Compression/Sustainer Effects Pedal. Condition: New. Listed at 101.60 USD. One of finest compressors ever built for guitar or bass, the Electro-Harmonix Soul Preacher is an effect pedal that offers 3 selectable attacks coupled with silky, long sustains. The switch selectable attacks offer super articulate compression. Let your guitar step forward without squeezing the life out of your tone. Heavenly sustain … sonic salvation.Quick Specs- -True bypass-Sustain control adjusts the amount of sustain.-Volume control sets the output level.-Attack toggle switch provides 3 switch selectable settings of attack: fast, medium, slow-Fast attack: gives an aggressive hit with about a 20mS rise time. fast and musical.-Medium attack presents a slower rise time of about 50ms, smooth and defined-Slow attack brings a musical 100ms rise time for a softer-Tough and compact die-cast chassis-9-volt battery included-Optional US96DC-200BI power supply available-Dimensions in inches: 2.75 (w) x 4.5 (l) x 2.1 (h)-Dimensions in mm: 70 (w) x 115 (l) x 54 (h)