Related Clues:

• Unit of elec. current
• Emcee's device
• Booster of a rock band
• Love of the Beach Boys
• Rock band's item
• Sound intensifier
• Spillane's Hammer
• Increase, with ''up''
• A little juice?
• Karaoke singer's device
• Speaker's adjunct
• One coulomb per sec
• You can rock with one
• Energy drink brand
• Word on a light bulb