Our SS7745LOK Adjustable Subwoofer Fixing Shaft with Locking Adapter mounts to the top of a sub-cabinet and accepts a loudspeaker with a standard pole-mount socket without using a separate floor stand. The speaker pole features a stabilizer-lock adapter that expands to fill the gap between the mounting pole and the speaker socket, eliminating tilt and wobbling. The shaft height adjusts to suit a variety of applications and locks into place to ensure reliable positioning..PZA MORE SPECS