• Two universal 35mm pole mounting speaker adapter brackets included
• Constructed from heavy-duty extruded aluminum
• Mounting speaker cabinets with 35mm shafts
• Adjustable locking nut secures bracket to the pole

The ASTONE STSD-20W-PAIR is a 2-pack subwoofer mounting pole (2 x STSD-20W). Each of the poles allows you to mount PA speakers on top of the subs for increased sound dispersion.