- JBL Speaker Boxes Stage3 6427 are highly efficient and powerful, delivering big sound and are the ideal upgrade in-dash speakers for any car audio system, even low-powered factory-fitted car stereos
- The UV-resistant 4 x 6 inch woofer car speaker diaphragm of the JBL Stage3 6427 car speakers is designed to deliver clean, resonance-free sound quality to play your music in crystal-clear resonance-free audio
- 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
- JBL Stage3 6427 car speakers have balanced Edge-Driven Silk dome tweeters that deliver smooth and crystal-clear highs, so you can enjoy the clean sound the musician intended
- The durable UV-resistant polypropylene bass diaphragm of the Harman Kardon car speakers is extensively tested to ensure the speaker car sound system can withstand the demanding heat and humidity in the car