Easy Loudspeaker Mounting The K&M 21344 distance rod enables you to mount a loudspeaker above a subwoofer equipped with an M20 connection. This height-adjustable speaker pole includes a safety hook and clamping screw for added stability and security, and its 2-piece folding design provides convenient, space-saving transport. Here at Sweetwater, we've found that the 21344's rugged steel tube construction holds up to the rigors of the stage admirably. The König & Meyer 21344 distance rod comes with a mounting aid to facilitate loudspeaker installation.K&M 21344 Distance Rod Features: Mounts a loudspeaker above a subwoofer equipped with an M20 connection Height adjustable from 35.90–57.16 inches Safety hook and clamping screw supply added stability and security 2-piece folding design provides convenient, space-saving transport Rugged steel tube construction Comes with a mounting aid to facilitate speaker installation