Please note that this unit does not come with a power supply.

Using this Symetrix Prism 4x4 Digital Audio Signal Processor is straightforward. First, connect your audio sources to the appropriate input ports. Then, connect your speakers or other output devices to the output ports. When setting it up, make sure your audio devices are turned off to avoid any electrical issues. Since this unit doesn't include a power supply, you'll need to use a compatible one. For maintenance, keep the unit in a clean and dry place. Regularly dust it off to prevent any buildup that could affect its performance. If you encounter any problems, refer to the user manual or contact customer support.