1、Super Loud: Features excellent 600DB ultrasound effect, this speaker has a truck and train-level compressor and larger coil, which can produce stronger pressure, which brings louder and clearer sounds to ensure that your alarm sound is heard. 2、Broad Compatibility: The horn is compatible with all 12V autos, like SUVs, motorcycles, trucks, trains, yachts, boats, buses, and more. Whether you aim to enhance vehicle safety or attract attention on special occasions, our horns meet your needs. 3、Fine Workmanship: Developed sound membrane, the sound is much pure. Super loud horns kit is designed with two speakers, one long and one short, the mixing effect allows the sound to travel farther. provides you with higher safety. The upgraded interior structure can produce 600DB pleasing tones for any weather condition, which makes it a good safety partner while driving. Built-in bigger coil, high-quality chrome-plated material, and stronger pressure give the horn louder and more clear warning to other's driving actions. You can easily install it with a simple step and without the need for complicated procedures or extra tools. They can withstand the test of time and environment to provide you with a lasting and reliable experience. Features: Super Loud: Features excellent 600DB ultrasound effect, this speaker has a truck and train-level compressor and larger coil, which can produce stronger pressure, which brings louder and clearer sounds to ensure that your alarm sound is heard. Broad Compatibility: The horn is compatible with all 12V autos, like SUVs, motorcycles, trucks, trains, yachts, boats, buses, and more. Whether you aim to enhance vehicle safety or attract attention on special occasions, our horns meet your needs. Fine Workmanship: Developed sound membrane, the sound is much pure. Super loud horns kit is designed with two speakers, one long and one short, the mixing effect allows the sound to travel farther. provides you with higher safety. Reliable Design: Made of high-quality chrome-plated zinc alloy and ABS, waterproof, wear-resistant, and corrosion-resistant. Whether facing bad weather conditions or long-term use, our horn has always maintained excellent performance. Easy to Install: You just need to connect the horn wire on the car and the two wires from the horn speaker, and it will work normally from positive to positive, and negative to negative. Allows you to immediately enjoy the powerful sound effects. Specifications: Color: Silver, Black Silver, Black (Optional) Material: ABS Working Voltage: 12V Working Current: 15A working Frequency: 500-800Hz Item Size: 215 * 155mm/8.46 * 6.1in Item Weight: 880g/31.04oz Package Size: 223 * 160 * 80mm/8.78 * 6.3 * 3.15in Package Weight: 950g/33.51oz Packing List: 1*Horn 1*Horn