UPGRADE AUDIO by Eaton is one of the few manufacturers who make their own loudspeakers in their own factory. The great experience in OEM loudspeaker development directly for the automotive industry enables ETON to develop perfect plug & play systems. Visit Upgrade Audio site for more info and discounts on BMW | VW | VAUXHALL | FIAT German audio brand UPGRADE knows just how bad factory installed car audio can sound and since the 1980’s has dedicated much time and resource on finding convenient, high quality solutions. UPGRADE’s range of vehicle specific plug and play solutions change the standard mundane sound in your car into the sparkling highlight of your driving experience. Hand made in Germany to the highest quality. 100% plug & play WITHOUT visible changes! Simply replace your original speakers with UPGRADE. Installed in the shortest possible time! All necessary accessories are included, perfectly adapted to the respective vehicle type. Suitable for all musical genres! Ideal for lease vehicles as the kit is completely reversible back to the old factory speakers. Sound retrofitting without modifications to the vehicle, perfectly tuned and cost-effective.