Fox 40 Sonik Blast Referee Whistle

This is currently my go-to whistle for my college and high school games. The sound of the whistle will be heard in the loudest of arenas. I would highly recommend you add this to your reffing bag.

I normally love Fox whistles. This one, not so much. VERY shrill, and sound feels like it's coming out the side, not the front.

Don't test inside your home! It's very loud! I like that it's symmetrical so you can't inadvertently whistle upside down.

Great LOUD whistle. Nice clean blast every call. You will always be heard.

These whistles work for both basketball and football. They are loud, durable, and last!

Love Fox40s. Definitely get the attention of players, coaches, parents, and other officials.

Best whistle I have used. It is loud and can be heard in noisy gym.

Good referee whistle. Loud and sharp. I do think the shape makes it hard to hold without clamping down and making my jaw tired.

I use this for soccer and basketball. It never fails and occasionally annoys fans & cheerleaders, so that's an added bonus.

You will never get disappointed from Fox 40, a great whistle.

Awesome, gets the attention of players and fans!!

This whistle is a must have if you are calling games in a loud gym. You want to make sure that everyone hears the whistle so that play stops! If the whistle cannot be heard players, coaches, and fans will doubt your call. A strong whistle like this one will assure you of everyone hearing!

Comfortable mouthpiece on an attention getting whistle.

I use this product for football. It works well and produces a good sound. I also like the mouth grip that is on the product.

In an arena full of screaming fans, they will have no doubt when this whistle is blown. I love using this, especially in packed gymnasiums!