Item Type: SpeakersModel 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、Honda、Hummer、Hyundai、Infiniti、Jaguar、Jeep、Kia、Lamborghini、Land Rover、Lexus、Lincoln、Lotus、Maybach、Mazda、Mercedes-Benz、Mercury、Mini、Nissan、skoda、Subaru、Suzuki、Toyota、VolkswagenFrequency Range (Hz): 4 KHZ ~ 26 KHZOut Power: 180wattMaterial Type: silk membrane trebleSpeakers Types: TweetersItem Size: 1inchVoltage:12VAudio Sensitivity: 90dbSpecial Features: High EfficiencyCar Make: UniversalColor: BlackItem Weight: 0.2 kg