The SP 2332 TPB is a coupling bar with a diameter of 35 mm, for mounting a speaker on a subwoofer. Solid design (solid steel), black paint finish, its length is adjustable from 105 to 140 cm. The SP 2332 TPB has an M20 thread at its bottom end and a steel sleeve with safety pin, to stop the extension tube. For transport, the bar has the length of the lower tube, ie 54 cm.