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The On-Stage SS7745 Adjustable Subwoofer Attachment Shaft mounts in the top of a subwoofer cabinet and supports a speaker with standard pole-mount socket without using a separate stand. The shaft's height adjusts from 31.5" to 55" to accommodate a variety of applications and locks in place for reliable positioning.
Eight pin locations at 3" intervals
Adjustable from 31.5" to 55"
Upper Shart Tubing: 1-3/8"
Lower Shaft fits Standard 1-3/8" Cups
Capacity 80 lbs.
Construction: Steel