JBL PRX415M 15-Inch Passive Speaker | Color: WhiteJBL's PRX415M is a portable, fifteen inch, two way speaker system designed for either main sound reinforcement or monitoring applications. PRX400 passive speakers were designed to provide the sensitivity, frequency response and power handling needed to address a multitude of demanding audio environments while still being reasonably priced. For musicians, DJ's, House of Worship, public address, or suspended in a commercial environment like a school or