Restaurant Sound System Repair

I'm looking for an experienced audio technician to troubleshoot and repair the sound system in my restaurant. The rear dining room speakers function properly when switching to microphone input but do not produce any sound when music is selected from the TV or streaming device.

Key Requirements:
- Diagnose the issue with the rear dining room speakers.
- Ensure they can play music at normal levels.
- Familiarity with restaurant sound systems is a plus.

Ideal Skills:
- Audio system troubleshooting
- Experience with restaurant or commercial sound setups
- Knowledge of TV and streaming device integrations