Related Clues:

• It's sound all round, so it's round the tree
• 'In ___ (Where Available)'
• It might be played on road trips
• ___ exhaust
• The steer needs nothing more to make it sound all round
• Sound system of yore
• Sound investment
• For two
• More than mono
• Home theater component
• Hi-fi
• Like some citizens
• It has left and right channels
• Like headphones
• Audiophile's acquisition