Internal metal bracket securely mounts any speaker cabinet with a flat bottomFits 1-1/2" (38mm) tubeFlange Diameter is 4" (102mm)Metal fittng holds 150 lbs. (68.2 kg)
What do you do if you have a speaker cabinet that does not have a built-in speaker mount socket, but you'd like to use it on top of a tripod speaker stand Simply install a TSM-150MK to the bottom of the speaker cabinet, and you're set! The TSM-150MK is an internal, metal mounting bracket for speaker cabinets that do not have built-in speaker mount sockets. It mounts on the bottom of a speaker cabinet (mounting inside the speaker cabinet) with included installation hardware.
Brand: Ultimate Support, Model: TSM-150MK, Size: 4