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#5 on this list
Red Wasp Diaphragm
Woodhaven
The best all-around mouth call: easy to run, heavy rasp, and hands-free when the gun is already up.
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- How we assessed it
- Specification researched
#6 on this list
AMP Diaphragm
Phelps
Consistent frame and stretch that lets a mediocre caller sound consistent morning after morning.
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Specs side by side
| Spec | Red Wasp Diaphragm | AMP Diaphragm |
|---|---|---|
| Call Type | Diaphragm Mouth Call | Mouth Call |
| Reeds | Two or Three Latex Reeds | — |
| Sound Profile | Raspy, Authentic | — |
| Skill Level | Beginner to Advanced | — |
| Operation | Hands-Free | — |
| Maker | — | Phelps Game Calls |
| Product Line | — | AMP Diaphragm |
| Frame Material | — | Durable Plastic |
| Reed Material | — | Premium Latex |
What our reviewers liked and didn't
Red Wasp Diaphragm
- Produces deep, authentic raspy hen vocalizations
- Relatively easy to master for a diaphragm call
- Durable construction ensures consistent performance
- Hands-free operation is a significant hunting advantage
- Excellent value for its performance and longevity
- Not the loudest option for long-range locating
- Requires some practice to achieve full potential
- Frame fit can be subjective, as with all mouth calls
AMP Diaphragm
- Exceptional sound consistency across full vocal range
- Forgiving for varied tongue pressure and position
- High-quality latex holds tension for extended periods
- Robust frame provides comfortable, secure fit
- Higher initial cost compared to budget calls
- Requires proper care (cleaning, storage) to maximize lifespan
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.