The ProX T-SAA-M is a Speaker Pole Mount Adjustable 38"-54" is exactly what you need for your subwoofer-speaker PA system. It's adjustable in height from 38" to 54" and mounts between a subwoofer cabinet with a top mounting hole and a speaker with a bottom mounting hole sized at 1 3/8" (35mm). The T-SAA-M features both a friction locking knob and a security pin system and is made from durable steel.
Fits: Standard Speakers.
Product Specifications:
Dimensions: 1.50"L x 1.50"W x 38.00"H
Weight: 3.00 lbs
Shipping Dimensions: 2.00"L x 2.00"D x 39.00"H
Shipping Weight: 3.50 lbs