Cerwin-Vega Pro CVPOLE-1A Adjustable Telescoping Speaker Pole Reinforced steel telescoping speaker support pole - Holds up to 150 lbs. Includes twist lock and secure locking-pin for height adjustment Designed to be used with CVA active/passive series For use with CEPCVANT2A & CEPCVANT3A mount accessory kits Compatible with industry standard 35-millimeter pole cups