Related Clues:

• Den setups
• Hookups that can get loud
• Man cave features
• Home players
• Audio store buys
• Bose wares
• Common sound systems
• Audiophiles' investments
• Multi-speaker systems
• Investments often associated with CDs
• Systems in man caves
• You might put CDs on them
• Two-speaker sound systems
• CD setups
• Sound setups