Onkyo A-9555 Manuals

Onkyo A-9755/A-9555 User Manual

This manual begins with safety precautions and important protective measures, explaining how to avoid fire or electric shock, how to handle the power cord, and the proper way to transport and store the unit. It also details the required accessories, power‑line connections, and battery installation for the remote controller.

The second part covers the functional controls, input selections, speaker configurations, and audio adjustments such as bass, treble, loudness, and Pure Direct mode. Troubleshooting tips, reset procedures, and specifications are provided to help users maintain optimal performance.