A car audio installer specializes in installing audio and speaker systems in different vehicles. They communicate directly with clients to identify their needs and preferences, assisting them by answering inquiries, providing them with cost estimates, giving them instructions, and offering other products and services when necessary. Besides installing, they may also perform maintenance checks, diagnose or troubleshoot issues, and repair or fix components. Moreover, as a car audio installer, it is essential to maintain records of all transactions and monitor the inventory of supplies.