Related Clues:

• One for the roadie
• Increase, with "up"
• Mob head
• Mike gets juice here?
• Intensify, with 'up'
• Family guy?
• Rock band need
• Concert stage item
• It pumps up the volume
• Performance piece?
• Arena rock need
• Make loud
• Gig component
• One could go up to 11 in 'This Is Spinal Tap'
• Item of concern in a sound check