The E Series 2.75 inch midrange driver is perfect for the listener who wants to instantly take their system from factory to fantabulous. This driver is designed for efficiency with features that deliver outstanding sound and value. Included in the box is a 2.75 inch to 3.5 inch adapter plate allowing this driver to mount perfectly into factory 3.5 inch locations. The EX2.75 features an injection molded poly cone, rubber surround, and rigid steel frame. For reduced inductance, extended high-frequency roll-off, and increased efficiency the voice coil features a double slit former and the motor utilizes a copper pole cap. Visit our OEM page for upgrade suggestions for your vehicle.