The Sundown Audio E-10 V.4 D2 10" 750w RMS Subwoofers are high-quality car subwoofers designed for superior audio performance. These non-enclosed non-powered subwoofers feature a dual voice coil for enhanced power handling and efficiency. With a power output of 750W RMS, these subs deliver powerful bass sound to elevate your car audio experience. Made in China by Sundown Audio, these 10-inch subwoofers are a reliable choice for car audio enthusiasts looking to upgrade their sound system.