Related Clues:

• Sound enhancer
• Stick it in your ear
• What's worn for the reception?
• 'That'll give you sound assistance (7,3)'
• It makes sound sense to those in need
• It should make sound very good entering cranium
• Attending to evidence, article I had that helps listener
• Earpiece an asset in court?
• Amplification device
• Help required to follow trial?
• Ear trumpet
• Device placed next to a drum
• Hid gear in a broken amplifier
• Sound excellent in cranium -- due to this?
• *Audio amplifier, of a sort