Using the Klark Teknik DN9650 Digital Audio Network Bridge is easy. First, connect it to your audio system. Then, plug in the included correct power supply to start it up. When using it, keep in mind that it doesn't have a Network Module, so you'll need to manage your networking setup separately. For maintenance, make sure to keep it in a clean and dry place. Also, check the power supply regularly for any signs of damage. With proper use and care, this network bridge will serve you well for a long time.