Enjoy the True Clarity & Energy of Music in Your Vehicle! STAGE2 424 Stage2 Series speakers bring a JBL concert experience to your car, truck, or SUV and a surprisingly affordable price. Their Polypropylene woofer delivers a strong performance with great low-end extension and a clean tight midrange. The woofer is coupled with a PEI Balanced dome tweeter which fills out their sonic signature with crisp, high-end frequencies. An added bonus of the Stage 2 series is JBL's frame design, which has been engineered to easily fit into most factory openings without the need to modify the vehicle, mounting location, or the speaker itself. Specifications: Configuration: 2-Way Coaxial System Driver Size: 4" (100mm) Frequency Response: 75Hz – 20kHz Power Handling - Peak: 150W Power Handling - RMS: 25W Sensitivity (@ 2.83V): 88dB Impedance: 4Ω Weight: 0.71kg