This analog output unit from Digital Audio Labs doesn't come with a power supply. It's a great choice for your audio setup.

To use this Digital Audio Labs Livemix DA - 816 analog output unit, you need to connect it to your audio system and use an external power supply as it doesn't have one included. When connecting, make sure all the cables are properly plugged in. As for maintenance, keep it in a dry and clean place. Don't expose it to extreme temperatures or moisture. Regularly check the connections to ensure good performance. Remember, always use a compatible power supply to avoid any damage to the unit.