Electro-Harmonix Soul Preacher Compressor / Sustainer Guitar Effects Pedal. Three selectable attacks coupled with silky, long sustains blend in perfect harmony to create the finest compressor ever built for guitar and bass. The EHX Soul Preacher is your tool for sonic salvation.

Features:

• 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 Nano chassis

Specifications:

• Input sensitivity is 50mV to 2 volts
• maximum gain reduction of 40dB
• maximum gain of 46 dB
• 9-volt battery included 
• US96DC-200BI power supply optional (Not Included)
• Dimensions (L x W x H): 4.5" x 2.75" x 2.1" 
• UPC: 683274010663 
• MPN: SOUL PREACHER