This is a simply a noise that is emitted by all large electric contraptions, such as power lines, transformers etc. 60 hertz is the power line frequency in the US, Canada and Mexico. Please rate if you like it.
Use in a single end product, free or commercial. The total price includes the item price and a buyer fee.
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Use in an unlimited number of end products, free or commercial. May be used with different clients, but not for on-demand customization products or services. The total price includes the item price and a buyer fee.