K&M 21357 M20 SUB Subwoofer Pole-Pneumatic Lift-Germany 36”-57″ RCF EAW JBL D&B
The K&M 21357 M20 screw-in Sub Pole is a durable steel adjustable tube used to connect top speakers onto the Sub. it is Height adjustable in 5 positions from 36.417 - 56.89". With spring-loaded bolt and locking screw for secure fit.