The loudest whistle Fox 40 makes. Built to blast.
The Fox 40® Sonik Blast® CMG® steps up where the Classic leaves off — delivering a piercing 120 dB sound that cuts through absolutely anything. Combined with the Cushioned Mouth Grip (CMG) for secure, comfortable extended wear, this is the whistle for high-noise environments and professionals who need to be heard without question.
Who It’s For
🏈 Football & Basketball Referees — The go-to choice for officials who need to stop play instantly in loud, fast-moving games.
🏒 Hockey & Lacrosse Officials — Maximum volume in a CMG design built for cold, physical, in-the-action use.
🏊 Pool Deck & Beach Safety — 120 dB cuts through splashing, wind, and crowd noise when seconds count.
🚒 Emergency & Rescue Professionals — When standard whistles aren’t enough, the Sonik Blast is the step up.
🎽 Coaches in High-Noise Environments — Indoor arenas, loud gyms, outdoor fields — nothing drowns this out.
How It Compares to the Classic
| Classic CMG | Sonik Blast CMG | |
|---|---|---|
| Sound Power | 115 dB | 120 dB |
| Design | 3-chamber | 2-chamber |
| Sound Character | Full, authoritative | Piercing, distinct blast |
| Best for | General officiating | High-noise, high-stakes |
| Price | From $6.79 | From $8.39 |
Features
- 120 dB — the loudest Fox 40 pealess whistle
- Distinct, penetrating blast sound — instantly recognizable
- Cushioned Mouth Grip (CMG) — soft thermoplastic protects teeth and improves grip
- 2-chamber pealess design — no moving parts to freeze, jam, or fail
- The most efficient whistle in its class — easy to blow, cannot be overblown
- Self-clearing chambers when submerged in water
- Available in 19 solid and two-tone color combinations
Specs
| Design | 2-chamber pealess + CMG |
|---|---|
| Sound Power | 120 dB |
| Colors | 19 solid & two-tone combinations |
| Attachments | Breakaway Lanyard / Smitty / Wrist / P.T. System (Black only) |