ProX X SAAMX2PKG Speaker Pole Mounts Adj 32" 63" w Bag Set of 2 mackie mixer Don't let the small footprint H DECK DSLEPCDDJSB3 Don't let the small footprint fool you the XENYX 1002B is built to the same exacting standards as our larger format XENYX mixers and is housed in an equally rugged steel chassis Frequency Response: 20Hz to 18kHz The ProX X SAAMX2PKG is a package of 2 T SAA M poles and exactly what you need for your subwoofer speaker PA system plus it comes with a carrying bag for the pair They are adjustable in height from 32" to 63" 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)