Related Clues:

• Lapel item, sometimes
• Sound enhancer
• Amplify
• Phone bug, e.g.
• Podium feature
• Amp attachment
• Hammer on a case?
• Stand-up's prop
• Sound receiver
• Nichols or Wallace
• Douglas or Wallace
• Emcee's need
• Karaoke need
• Bullhorn cousin
• Spillane detective, Hammer