Make your car the place to hear bass by installing Pioneer car subwoofers. There are many woofer styles to fit your needs, including Pioneer amplified subwoofers, component subwoofers, pre-loaded subwoofer boxes and dual woofers. Order a vehicle-specific or universal Pioneer subwoofer in many sizes, power ratings, mounting depths and frequency ranges for the perfect balance of precision and slam. OnlineCarStereo.com has a low price guarantee and free shipping in the lower 48 states so you can afford high-quality bass.