ProX X-SPAM20 Deluxe Subwoofer Speaker Pole Mount with 1 3/8" Pocket Adapter

ProX X-SPAM20 is an adjustable loudspeaker pole with a M20 thread. Height adjustment is easy just mount to top of subwoofer (M20 thread), other end mounts to Speaker (1 3/8") Pole is adjustable from 35" up to 60" total height. All Steel Construction with Built in Safety Pin and Easy-Grip Tension Knob Height Adjustment.More and more pole mount subwoofers are now equipped with M20 threaded pole mounts instead of a standard 1 3/8" socket cup. A screw attachment provides for no tilt or wobble! The X-SPAM20 is designed for the modern production style of subwoofers as well as the original 1 3/8" pole pockets. Its all-steel shafts telescopes to the height you want, held tight with a friction locking knob backed up by a captive steel security pin. The lower shaft features steel tubing terminated with a threaded lug. The upper shaft is sized to fit satellite speakers with standard 1 3/8" pole mounts. Included threaded adapter to fit standard 1 3/8" pole pockets.