The PXI BR12 is a strong metal 12" hanging mounting brackets are from American DJ. They work with the PXI speakers. These are sold in pairs. The neat clean functional design makes for especially good looks, creating a clean, uncluttered installation. These are ideal for sound contractors. Mount this bracket on walls at night clubs, recording studios, home multi-media rooms, schools or just about anywhere. Functional design makes for special good looks, creating a clean, uncluttered installation.