Related Clues:

• Lab possibly producing sound booster?
• Current measure a member put together
• Move unsteadily carrying wide loudspeaker
• Speaker, one delivering a short message?
• Social networker using rather cute short name
• Affected by row, ignoring one speaker
• Loudness increaser, of a sort
• One working on pitches
• Piano professional
• Sound booster, briefly
• Engineers with crazy guy set up electronic device
• One could be attached to your Fender
• Rock music enhancer
• Loudspeaker used to produce high-frequency sounds
• Loudspeaker designed to reproduce high frequencies