150db Dual Electric Air Horn Super Loud Train Trumpets Car Truck Boat Speaker ~

Details:

Powerful Mini Compressors, All Copper Coil, Vacuum Chrome Planting, Fast Response, No Need Air Source Wiring Instructions Q: Why I feel the sound of this air horn is low? A: Step1: There is a difference between positive and negative poles in the wiring of the terminal under the air pump. Please check whether there is a reverse connection. Step 2: Check if the harness（blue/white wire to your horn wire） connected to the car device is loose. Q: Why doesn't the sound of the horn last and sometim...

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