JBL PRX615M LOUDSPEAKER SYSTEM Big sound without the weight With such a crowded marketplace, it’s important to remember the decades of patents and design ingenuity JBL draws upon with new gear they bring to market. The two-way PRX615M Loudspeaker System is designed to stand on its own or be harnessed as a modular component of JBL’s 600 series. The DuraFlex-covered cabinets are constructed out of poplar plywood and use tongue-and-groove joints...