The Pioneer TS-W310S4 subwoofer is ready to use straight out of the box, providing a seamless audio experience in your vehicle. Manufactured by Pioneer, a trusted brand in car audio technology, this subwoofer delivers high-quality sound and bass enhancement for your in-car entertainment system. With its sleek design and user-friendly features, this Pioneer subwoofer is a great addition to any vehicle looking to upgrade its audio experience. Works well. barely used. Not sure if the serial number is correct.
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