Shure ANX4-4CL - Four-Channel License for ANX4 Wireless ReceiverShure ANX4 does not ship preconfigured with active wireless channels. Purchase licenses in single and four channel increments and activate the exact number of channels you need for your project. Own more than one ANX4? Manage and deploy the channel licenses you own across your ANX4 units in your facility, venue, or rental inventory as needed. Licenses can be activated in one ANX4 and later removed and activated in a different ANX4 as needs change.