Possible Clues:

• Audio units: Abbr
• Sound units, briefly
• "Breakfast at Tiffany's" band (abbr.)
• Aston Martin high-performance model
• Safeties in the NFL, briefly
• Linkin Park singer side project (Abbr.)
• Some NFL players: abbr.
• Logarithmic units of sound intensity (Abbr.)
• Sound measuring units: Abbr.
• Volume measures: Abbr.