LAS VEGAS--(BUSINESS WIRE)--HARMAN, the premium global audio, visual, infotainment and enterprise automation group (NYSE:HAR), introduced today at CES 2015 the JBL® Concert Edition plug-and-play audio upgrade package. Specifically designed for individual vehicles to bring premium audio performance to existing vehicles, the JBL Concert Edition builds on the JBL brand’s longstanding leadership in audio and acoustics. The vehicle specific packages serve as an easy way for consumers to upgrade thei