Heavy Duty Dual PA Speaker Wall Mount Brackets Supports up to 110Lbs,Pa Speaker Wall Stands Pair,Speaker Holder/Pole/Bar/Sound System Wall Mounting,Dj Truss Speaker Mounts(Black). Adjustable Design: These speaker holders for wall feature 3 mounting positions at different distances, allowing you to adjust the speaker's position so you can achieve optimal sound projection and coverage.
eBay