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

The JBL Stage3 9637F is a 6 x 9 inch (152 x 230 mm) three-way coaxial car speaker built to deliver high output and reliable sound in a popular factory size. With 75 watts RMS and 375 watts peak power, it offers a clear upgrade over stock units and handles demanding music with precision. The wide frequency response from 50 Hz to 20 kHz ensures bass, midrange and treble are reproduced with balance, bringing energy and detail to every journey. Central to the design is JBL’s patented Plus One™ polypropylene woofer cone, which provides up to 35 percent more surface area than conventional cones. This allows more air movement, resulting in deeper bass and improved efficiency. The edge-driven dome tweeter adds extended high frequencies with a natural response, ensuring vocals and instruments sound open without harshness. With a sensitivity of 93 dB, the Stage3 9637F delivers strong volume levels even with factory head units, maintaining clarity across the range. The nominal 3 ohm impedance helps extract extra power from factory stereos or amplifiers, improving dynamics and control. A vented basket frame design cools the voice coil during use, reducing distortion at higher volumes and extending the life of the speaker. Each model in the Stage3 series is tested under OEM-level standards such as extreme temperatures, vibration and continuous full-power operation, ensuring dependable performance in real conditions. Installation is simple thanks to the 6 x 9 inch format that fits many common mounting positions. Each box includes two speakers, making it easy to upgrade front or rear placements. With engineered fit, competitive tuning and proven durability, the JBL Stage3 9637F brings legendary JBL sound to your vehicle with efficiency and reliability. Three USPs in short sentences. Clear, powerful, no bullet points. 75 W RMS and 375 W Max power. Plus One™ woofer cone for deep bass. Edge-driven dome tweeter for smooth highs.