JBL Speakers from Focused Technology. No matter where you go in this world, you’ll find JBL Installed Sound Speaker Systems at many of the most notable venues. With that kind of global perspective, JBL has come to respect the one indisputable truth of business: every customer is unique. A speaker system that is perfectly right for one job might be perfectly wrong for another. That’s why JBL Installed Sound products offer a range of options without equal. From the extraordinary value of the Control Contractor Series to the ultimate precision of the JBL Precision Directivity Series, there’s a JBL Installed Sound product with a solid business solution based on equally solid business savvy. For more than 60 years, JBL has been the professional speaker of choice wherever sound matters. We’d like to believe it should be your choice, too.