Related Clues:

• Unit of elec. current
• Booster of a rock band
• Rock band's item
• Sound intensifier
• Increase, with ''up''
• A little juice?
• Speaker's adjunct
• One coulomb per sec
• You can rock with one
• Energy drink brand
• Word on a light bulb
• Eponymous French physicist
• Gig equip.
• Guitarist's aid
• Intensify, with up