Electro-Harmonix Bassballs Twin Dynamic Envelope Filter Pedal

Twin tuned filters sweep your signal creating a unique vocal tone. Two narrow filters sweep your tones under control of the envelope, generating very unique vocal-like sounds.

Features
• True bypass
• Tough and compact die-cast chassis
• 9V battery included

Specifications
Circuit: Analog
Bypass: True Bypass
Audio: Mono
Power Supply: 9V battery included (optional 9.6VDC-200mA power adapter not included)
Dimensions (in): 4.5 x 2.75 x 2.1
Current Draw: 3mA