TC Helicon Critical Mass Vocal Harmony Effects Pedal

Studio-Quality Vocal Stompbox for Large Group-Sound Effects

There’s nothing like having a large and enthusiastic audience singing along with you. CRITICAL MASS puts that magic right at your feet in an easy to use stompbox.

Features

• A simple-to-use vocal stompbox lets you easily create stunning group-sound vocal effects
• Powerful melodic and gang styles give you large group vocals using your voice alone
• No key or scale to set – just sing
• Simple three-knob control gets you up and running in seconds
• High-quality, low-noise mic preamp for pristine vocals
• On/off foot switch for quick performance control
• Rugged, road-worthy construction for years of dependable use