This Roland S - 1608 16 x 8 stage unit comes with firmware version 2.200. It includes the correct power supply, ensuring stable operation for your performance needs.

Using this Roland S - 1608 stage unit is quite easy. First, connect it to the correct power supply that comes with it. Make sure the power switch is in the 'off' position before plugging it in. Once it's powered on, you can start using it according to your performance requirements. When you're done using it, turn off the power switch and unplug it safely. As for maintenance, keep it in a dry and clean place. Don't expose it to extreme temperatures or humidity. If there's dust on it, use a soft, dry cloth to gently wipe it down. And remember, don't try to open it up by yourself as it might void the warranty.