A vehicle horn, comprehensivea housing (10) with a recording room (S) trained in the housing (10);a coil arrangement (15) which is located in the receiving room (S) of the housing (10) is attached to a floor of the housing (10) and has:a coil holder (151) attached to the bottom of the housing (10); anda coil (153) wrapped around the coil holder (151); a U-shaped joint (17) located in the recording room (S) of the housing (10), covering the coil holder (151), mounted on the floor of the housing (10), and having:an upper cover covering a top of the spool holder (151); andtwo side panels, each of which extends from two opposite ends of the top cover to the bottom and is attached to the bottom of the housing (10); a vibration device (19) located in the recording room (S) of the housing (10) is attached to the bottom of the housing (10), located above the U-shaped yoke (17), and has:a holder (191) attached to the bottom of the housing (10); anda body suspended from the floor of the housing (10), andhas an impact block (192) which is formed in the middle of a floor of the body of the holder (191); anda vibration plate (193) with a fixed end attached to the holder (191) and electrically connected to the coil (153) and a vibrating end with a vibration block (194) attached to the vibrating end of the vibration plate (193) and aligned with the impact block (192); a top cover (20) which is ring-shaped and mounted on the housing (10);an amplifier arrangement (30) fitted between the upper cover (20) and the vibration device (19) and having a vibration membrane (31) and a resonance plate (33) arranged in a coaxial arrangement, with:a diameter of the vibration membrane (31) is less than 65 millimeters; anda thickness of the vibration membrane (31) is greater than or equal to 0,2 millimeters and less than or equal to 0,25 millimeters.
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