CRESCENDO AUTO SWELL - Responsive Crescendo Pedal with 2-Knob Interface for Haunting Guitar Line Manipulation Lets you create rolling and powerful volume swells Instantly accessible 2-knob interface featuring sensitivity and attack Controls attack time to create almost violin-like guitar lines True bypass for ultimate signal integrity "Built-like-a-tank" metal chassis Runs on 9 V battery or the PSU-SB DC power supply (not included) 3-Year Warranty Program* Designed and engineered in Denmark

• Lets you create rolling and powerful volume swells
• Instantly accessible 2-knob interface featuring sensitivity and attack
• Controls attack time to create almost violin-like guitar lines
• True bypass for ultimate signal integrity