The Infinity REF507F 90W RMS 5.25" 2-Way 3-Ohm Car Speakers are brand new and designed for car audio systems. These speakers have a 5.25-inch speaker size, 2-way design, and an RMS power of 45W. The Infinity brand is known for delivering high-quality audio products, making these speakers a reliable choice for enhancing your car's sound system. With their sleek design and powerful performance, these car speakers are sure to provide a great listening experience while on the road.