Item Type:SpeakersBrand Name:AlpineModel Name:DDT-F25BImpedance:4ohmsSignal To Noise Ratio:0.1Car Maker:Acura、Aston Martin、Audi、Bentley、BMW、Bugatti、Buick、Cadillac、Chevrolet、Chrysler、citroen、Daewoo、Dodge、Ferrari、Ford、GMC、Hond