AOB Smith & Wesson Sigma Electronic Ear Muffs 24dB Grey
$26.00
The Smith & Wesson Sigma electronic ear muffs offer 24dB NRR hearing protection with ambient sound amplification and sound compression above 85dB for shooting sports.
12 in stock
Designed for shooting enthusiasts these earmuffs offer ambient sound amplification for clear communication and an innovative sound compression feature that activates above 85dB—ensuring you’re safeguarded from hazardous noise without being cut off from your surroundings.
- 24NRR Rating
- Blocks Noise Above 85db
- Stereo Amplification Enhances Range Commands Or Quiet Ambient Sounds
- Digital Compression Circuit Blocks Harmful Sounds With 0.02 Second Response Time
- Dual Microphones
- Adjustable Volume
- Adjustable Cushioned Ear Cups
- Folding Compact Design With Padded Headband
- Uses 2 AAA Batteries (Not Included)
| Weight | 0.905 lbs |
|---|---|
| Dimensions | 8.000 × 6.150 × 4.200 in |
| Manufacturer | AOB |
| Finish | Grey |
| Weight | Not specified |
| Material | Not specified |
| Dimensions | Not specified |
| Compatible With | Not specified |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

Reviews
Clear filtersThere are no reviews yet.