The JBL Stage2 624 speakers bring a JBL concert experience to your car, truck, or SUV at an affordable price. Their polypropylene woofer delivers strong performance with extended bass range and clean midrange. The woofer is complemented by a PEI-balanced dome tweeter for crisp high-end frequencies. JBL's frame design allows for easy installation into factory openings without modifying the vehicle. Constructed with high-quality materials like polypropylene cones and rubber surrounds, these speakers offer pure reproduction and high stability, tested to automotive standards for reliability in various conditions. They undergo rigorous testing, including exposure to extreme temperatures, UV light, and full power operation, ensuring they meet JBL's sound quality standards with high sound pressure levels and low distortion.