Upgrade your car's audio system with the JVC CS-306 Stereo Speakers. This device is a perfect replacement for old, useless car speakers. The package includes two 3.5-inch speakers with 2.9-ounce magnets, capable of handling 30 watts maximum power and adding 4 ohms of system impedance. For your most cherished and inward audio desires, rely on Overstock.com. Features include: 3.5-inch stereo speakers 2.9-ounce magnets 30W max. power 4-ohm impedance Wiring/brackets included