Product Review

The Rockville RVSS4AB is an air charged Pro Audio Speaker stand with automatic lifting and and lowering system. The center pole features an air cartridge which helps to accommodate both the lifting and lowering of any speaker with a weight capacity of 154 pounds! The system height can be adjusted from 47" to 79".
By simply turning the secondary lock mechanism to release the pole extension from its base, you then proceed to to release the air cartridge pin and the speaker stand will begin to automatically and slowly raise your speaker to your desired height, once you reached the desired height, release the air pressure pin and turn secondary locking mechanism and tighten. To remove your speakers, turn secondary locking mechanism counter clockwise, push air cartridge pin in and pull your speaker down.

Features:

Rockville RVSS4AB Tripod Speaker Stand With Air Lift and Lowering System
Travel Bag Included!
Hydraulic System Makes Raising and Lowering The Speaker Quick, Painless, and Safe
Air Assisted Lift allows the speaker stand to raise with the push of a button
Air Assist lowering system lowers the speaker for easy dismounting
Easy Pull Pin Mechanism For Air Powered Lift
Push Pin For Slow Air Powered Decline/Lower
Easy Twist Locking Pin Mechanism To Keep Speaker at Desired Height
Adjustable height 42" - 79""
Heavy Duty Steel and Aluminum Composite Construction
Lightweight construction allows for easy maneuverability and travel
Color: Black
Weight Capacity: 154 lbs
Base spread: 0 - 23inches
Tube Diameter: 1.38 inches
Leg Diameter: 1.38 inches