The JBL PRX812W is a full-range speaker designed for main system and floor monitor applications. Featuring a 12", two-way, bass-reflex design powered by a 1500-watt class-D amplifier, PRX812W delivers incredible volume in a lightweight and compact form factor. Frameworks adjustable speaker stands with aluminum frame and adjustable to 81" max height. The weight capacity for teh stands is 60 lbs.JBL Pro