JBL PRX ONE Wall-Mount Bracket Adapter KitThe JBL PRX ONE Wall Mount Bracket Adapter Kit is an wasy Mounting bracket kit provides increased versatility. It allows the array to be wall or truss mounted independently of the subwoofer for permanent installations. Key Features: Multi angle bracket for wall or truss mounting Angles include 7 steps, with 5, 10, 15 as well as +5, +10 and +15 increments Standard speak on connectors for flexible connection without the need for proprietary cabling