This Roland M - 200i digital v - mixer console features 32 channels and firmware V1.050. Note that it does not come with a power supply.

Using this Roland M - 200i mixer console is straightforward. First, you'll need to get your own compatible power supply as it's not included. Connect all your audio sources to the appropriate channels according to your setup. Once powered on, you can start adjusting the volume, balance, and other settings for each channel to get the perfect sound. When it comes to maintenance, keep the console in a clean and dry place. Regularly dust it off with a soft cloth. Also, be careful not to spill any liquids on it. If you encounter any issues, refer to the official documentation or contact customer support.