BOOST THE RANGE OF YOUR SOUND: Create clear crisp audio for any occasion by setting up your own PA system with Knox Gear. This aluminum alloy stand allows you to mount and raise the height of your loudspeakers for parties, speaking events, and stage performances. AIR-CUSHIONED POLES: These specially designed poles feature a safety air cushioned that prevents drops or falls. This built-in pneumatic shock absorber adds an extra level of safety for speakers and monitors so your expensive equipment is always kept in top care. ADJUSTABLE HEIGHT: With a high reach you can easily customize the height of your speakers to meet your needs. Set it as low as 43 and as tall as 71. It features expandable feet and can hold up to 110 lb speakers comfortably on flat ground so you never have to worry.