The Fox 40 Classic whistle was used by search and rescue professionals when they were saving lives following the 1989 San Francisco earthquake, the Oklahoma City bombing, the 9/11terrorist attacks ...

About a decade ago, Fox 40 also began making and marketing an electronic whistle. It operates with the push of a button, and its tones can be adjusted by a switch on the side.

The Fox 40 whistle, with three chambers and no pea, ... (NBA), the National Football League (NFL) and the Canadian Football League (CFL), said Fox 40’s website. ...

It's absolutely beautiful," says Foxcroft of the sound of his whistles. He even loves the look of them — the whistles are incorporated in the art decorating the Fox 40 headquarters in Hamilton, Ont.