The NOS GM Delco 3½" 2-Wire Dash/Interior Speaker is a vintage oval-shaped speaker designed for use in 1970s GM vehicles. This fullrange speaker has an impedance of 10 Ohms and comes in a 4 x 10 size. It is made of aluminum and manufactured by Delco, a trusted brand in in-car entertainment. The speaker is meant to be mounted on the front dashboard of the vehicle and does not come with a warranty. Made in the United States, this model is a reliable choice for those looking to enhance their car's stereo system with a touch of nostalgia.