JBL JBLPOLE-MA gfi-system and Harmony

and Harmony

and reverb for customized control

With automatic international power compatibility built-in

Low noise and high output clipping level

Rear Rails

JBL JBLPOLE-MA gfi-system and HarmonyManual Adjust Speaker Pole with M20 Threaded Lower End, 38mm Pole & 35mm. The JBLPOLE MA features an amazing height adjustment collar that features an ergonomic Z knob that provides comfortable adjustment. The strongest fitting made, the height adjustment collar prevents over tightening and breakage issues associated with all plastic designs. Features Lightweight Metal die cast collars M20 Threaded socket Fits all subwoofers with standard M20 pole