The Dynamic Audio Pull From Pro Poly Series 1901 3-Way Floor Single Subwoofer 12” is a vintage audio speaker unit made by Dynamic Audio in the United States. This subwoofer is designed to enhance the sound quality of vintage audio systems, providing a rich and powerful bass response. With its 12” size and 3-way design, this subwoofer is perfect for upgrading your vintage audio setup to deliver a superior listening experience.