Feature 1Made of steel alloy and black powder coating, it is durable and does not require external air supply. It is universally suitable for most cars. 2Super tone horns are particularly suitable for extreme conditions because of their size, powerful electric drive, and great penetration. 3It provides ultimate performance while combining power, durability and style, making it best for rugged use and offroad driving. 4Using universal mounting bracket, installation is simple and easy. No additional operations are required. 5Get your hands on the super tone and you will be sure to draw attention when you hit the knob. With 335Hz bass, 435Hz treble.Item Type: HornMaterial: Steel alloyStandard: 1 PairConnection: Do not distinguish between positive and negativeDiameter: Approx. 12cm/4.72inPower Consumption: 2 x 66WFrequency: 335Hz (bass), 435Hz (treble)Volume Output: 139dB - 170dBVoltage: 12VApplicable: Universal for all 12V cars, trucks, RVs, motorcycles, UTV and ATV models .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List2 x Horn