Information about this product 【Super loud 300DB】: Are you still suffering from original car speakers that sound flat or not waterproof? Our ma internal reflow design with a volume of do 300DB, which can provide a loud and clear sound warning others and ensure the safety of the za steering wheel. 【High quality material】: This car worm horn is made of high quality ABS material, which is strong and resistant to high temperatures and can guarantee the stability of operation and reliability of electrical components. We use tungsten contacts with excellent electrical conductivity, which significantly extends their service life. 【Compact design】: Car horn does not ma a bulky air compressor, only a small device that makes amazing sounds! Because it is so compact, almost half of our customers will buy and install two speakers to get double the volume! 【Easy to use】: The Hi-Low speakers in the tube come with brackets and screws, and a reasonable combination of equipment allows them to be easily installed. Do installation, which can provide clear and loud sound in the car. 【 Wide application】: This super loud horn is suitable do almost any vehicle! Suitable dla trucks, passenger cars, SUVs, passenger cars, boats and motorcycles! Specification: Material: metal and plastic Kolor: black and red Voltage: 12V Current: 4A Tone Range: 300dB Frequency: high 510 25 Hz, low 410 25 Hz Diameter: about 9 cm/3,54 inch Hole size: about 8 cm x 5,8 cm / 3,15 x 2,28 inches Package includes: 2x car horn