Electro harmonix worm merupakan efek pedal dengan analog multi efek prosesor featuring phaser, tremolo, vibrato, dan neo modulasi wah. efek ini di desain dengan spesial bending tone yang menghasilkan groundbreaking oscillatory efek.

• True bypass
• Mode-selectable analog modulation effects: wah, phaser, vibrato, tremolo
• Manual mode removes the modulation so the effects can be swept by hand
• Optional expression pedal sweep capability
• Tough and compact die-cast chassis
• 24VDC-100 power supply included