The product is a pair of rare JBL LC-S1050w 10" subwoofers with a power output of 100W RMS and 400W peak. These subwoofers have an impedance of 4 Ohms and a single voice coil design. Made in China, they offer high-quality sound performance for car audio systems. The JBL brand is known for producing reliable and powerful audio equipment, making these subwoofers a great addition to any vehicle audio setup.