König & Meyer 21340-000-55 – Extension Tube with Crank, “Ring Lock” and Threaded Bolt M20

An unstable satellite system – who needs it? Loudspeakers can be attached tightly and safely with the patented »Ring Lock« system. A comfortable hand crank allows you to adjust the height of even the heaviest of speakers both easily and safely. An M20 threaded bolt and the patented expanding mandrel guarantee a professional and exceptionally safe system.

  • Height: 920-1520 mm