The JBL PRX415M passive loudspeaker is based on the same design as its powered brethren in the PRX600 Series, bringing you robust full-range performance that's ideal for clubs, schools, and houses of worship. The PRX415M is a 15" passive loudspeaker that delivers the kind of low-end presence demanded by rock, pop, hip hop, and many other modern genres, and it's equally as capable as a floor monitor as it is as a main speaker. If you're looking for loudspeakers with plenty of punch, impact, and presence, JBL