Ultimate Support TSM-138MK Socket Mounting Speaker Bracket

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-138MK to the bottom of the speaker cabinet, and you're set! The TSM-138MK 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. Part Name: TSM-138MK Part Number: 13425 Internal metal bracket securely mounts any speaker cabinet with a flat bottom. Fits 1-3/8" (35 mm) tube Diameter is 4" (102 mm) Metal fitting holds 138 lbs. (68.2 kg)