Here's the wall-mount kit you need for your JBL CBT1000 Line Array speaker. This kit comes with two sets of MTC-CBT-FM3 flush-mount wall brackets and a 1-piece MTC-CBT-OS3 offset bracket for installing the CBT1000 extender on top of the CBT1000 Line Array. This Wall Kit enables you to place your CBT1000 Line Array in the perfect spot for excellent acoustic projection of sound in any room, church, or conference hall that fits your needs.