CRITICAL MASS - Studio-Quality Vocal Stompbox for Large Group-Sound Effects

• 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
• 3-Year Warranty Program*
• Designed and engineered in Canada