The exclusive ProX XT-LA567 is a line array bracket adapter for a tripod crank stand, speaker stand, or pole for mounting on a subwoofer. The bracket is designed to safely withstand any load not exceeding 150 lbs. It is designed to provide mounting flexibility of line array speakers in an easy to set up, indoor or outdoor audio rig. The XT-LA567 is usable on any crank stand or tripod speaker stand or pole with a diameter of 1 3/8" (35mm). This crank stand is manufactured with heavy-duty steel and black powder coated for a long life. With safety and style in mind, the XT-LA567 speaker mount lets you streamline your audio system for a clean professional look. The stand is equipped with two locking wing studs to lock to the pole, and has multiple adjustments for total height/spread depending on your speaker sizes and your individual needs. Ensure that the stand being used is positioned on a hard stable surface, in a suitable location, on firm ground/surfacer and clear of overhead obstacles. Always stabilize the legs before lifting the speakers into position. When outdoors, secure the tower with braces or cables in case of wind. ProX XT-LA567 Universal Crank Stand Mount Features: