Air-Powered Series speaker stands from Ultimate Support are incredibly strong, extraordinarily sturdy, lightweight, 100% field serviceable, and raise and lower speaker stands on your own! Driven by innovation and years of research and development, the Air-Powered Series feature an internal shock that lifts speakers weighing 50 lbs and less with no effort, and requires just one hand's worth of effort to raise speakers weighing more than 50 lbs!
Specifications - Height - 5'2- 9'2 (1575 mm - 2794 mm) Weight - 13.1 lbs. (5.5 kg) Base Diameter - 62 (1575 mm) Telescoping Tube Diameter - 1.5 (38 mm) Adapter Diameter - 1.375 (35 mm) Load Capacity - 150 lbs. (68.2 kg) Folded - 57.5 x 5.5 (1461 mm x 140 mm)