On-Stage SS7747V2 Crank-Up Subwoofer Pole V2The all new SS7747 is designed for extended height adjustability, allowing speaker mounting from 40" to 63" off the subwoofer mount. With a removable M20 lug, the SS7747 is a perfect fit for subwoofers with both traditional pole cups or M20 threaded sockets. Height adjustment is easier than ever thanks to the improved SS7747's folding hand crank, allowing for quick and precise height settings. The included locking pin and automatic stopper when