Ultimate Support JamStands SP50 Adjustable Subwoofer Pole w/Adjustable HeightHeavy-Duty Build: Built to handle demanding use on stage, in studio, or on the road.Height Adjustable: 31.5" to 52.5": Offers a broad height range to optimize sound projection.Friction Lock Knob with Security Pin: Dual-locking mechanism keeps your setup safe.Universal 1 3/8" Tube Size: Compatible with most speaker mounts and PA systems.









