Related Clues:

• Rock-band boxes
• Concert stage collection
• They often have clean and distorted channels
• Power of base article in sanctified island
• A politician's current measure
• Spam (anag)
• Tour bus cargo
• Audio equipment
• Roadie load
• Pumps (up)
• Roadie loads
• Roadie's cargo
• Sound boxes at a concert
• Current assertion of private secretary status
• Some concert equipment