This K&M 21340 telescopic boom arm is designed to mount a satellite speaker on a subwoofer such as the L-Acoustics KS21.
 
 
 
 
Height adjustable from 92 to 152 cm using a convenient crank.
 
 
 
 
Ring Lock system for a secure and wobble-free connection.
 
 
 
 
M20 thread perfectly compatible with the KS21's thread.
 
 
 
 
Maximum load: 35 kg, ideal for PA speakers.
 
 
 
 
Made of black steel, robust and stable.
 
 
 
👉 Perfect for quickly and cleanly installing a speaker on an L-Acoustics KS21 subwoofer.