Jbl Oval Woofer Plus One Technology JBL Stage3 6427 2-Way Car Speaker By Haran Kardon - 175 Watt Car Audio Silk Dome Tweeters JBL Stage3 9637 car speakers are highly efficient and powerful, delivering big sound and are the ideal upgrade speakers for any car stereo system, even low-powered factory-fitted car stereos JBL Stage3 9637 3-way car speaker set by Harman Kardon - 375 watt car speakers - oval JBL box large 6" x 9" (152 mm x 230 mm), black. 's Choice The UV-resistant 9 x 6 inch subwoofer car speaker diaphragm of the JBL Stage3 9637 car speaker system is designed to deliver clean, resonance-free sound quality to play your music in crystal clear resonance-free car audio JBL Stage3 speakers bring patented technologies, world-class engineering and JBL pro sound heritage together to create a powerful line of car audio loudspeakers Car Speakers Turn up the volume, with the new generation loudspeakers, subwoofers and amplifiers from JBL, to enjoy the best music experience while driving in your car. Pair of JBL Stage3 9637F 6 X 9 Three-Way Car Audio Speaker No Grill Bundle Harman's Plus One car subwoofer cone technology provides a 35% larger speaker cone surface area than other car speakers, increasing overall efficiency by 2 dB for superior bass box power and performance