3M Peltor
3M ProTac III Active Hearing Protector (26 dB) Sylprotec
OPHMT13
$155.60
With a 26 dB Noise Reduction Rating (NRR), the 3M ProTac III uses level-dependent technology to suppress harmful impulse noises (like machinery or impacts) while amplifying ambient sounds below 82 dB. This allows you to talk to colleagues and hear warning signals without ever removing your hearing protection. Ideal for manufacturing, construction, and maintenance.
Return conditions:
No returnable if used. For more information about our return policy, please refer to the Orders and Returns.
3M™ PELTOR™ ProTac™ III Headset – Smart Protection for Noisy Environments
We offer a complete range of noise-canceling hearing protection.
Stay protected while staying connected to your surroundings. The 3M ProTac III (MT13H221A) is an active listening earmuff designed for professionals working in industrial environments where hearing protection is mandatory, but communication and situational awareness are critical.
Key Benefits of Active Protection
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Situational Awareness: Built-in microphones capture ambient sound, allowing you to hear alarms, approaching vehicles, and verbal instructions clearly.
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Instant Protection: Harmful noises are instantly attenuated to protect your hearing.
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Versatile Connectivity: Includes a 3.5 mm stereo input to connect your mobile phone or two-way radio (listen-only).
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Extended Durability: The electronics are located in the outer part of the cup to reduce corrosion caused by sweat and moisture.
Technical Specifications
| Feature | Details |
| Brand | 3M™ PELTOR™ |
| Model | ProTac™ III (Headband) |
| Part Number | MT13H221A |
| Attenuation (NRR) | 26 dB |
| Battery Life | ~100 hours (2 x AA batteries included) |
| Auto Power-Off | After 4 hours of inactivity to save battery |
| Input Type | 3.5 mm Stereo Jack (listen-only) |
Maintaining the 3M PELTOR ProTac III noise-canceling earmuff
To guarantee long-lasting performance, it is essential to maintain the 3M PELTOR ProTac III earmuff regularly. Clean the cushions and headband with a soft cloth, replace the internal foams every six months, and protect the electronic system from moisture. Regular maintenance ensures reliable hearing protection and consistent comfort.
Frequently Asked Questions (FAQ)
1. How does the "Level-Dependent" technology work?
The earmuffs use external microphones to monitor ambient noise. If a sound exceeds safe levels, the electronic circuit limits the sound inside the cups. If sounds are quiet, the headset can actually amplify them so you don't feel isolated.
2. Can I use these earmuffs with my cell phone?
Yes. You can connect your phone using a 3.5 mm audio cable (sold separately) to listen to music or audio, but please note this is a listen-only feature.
3. Are these earmuffs suitable for high-moisture environments?
Yes. The ProTac III features a dual-shell design where the electronics are protected from moisture and perspiration, significantly extending the lifespan of the headset.
Additional suggestions for noise-canceling earplugs
Do you need additional safety equipment? Check out the following items: CDN signs “Mandatory Hearing Protectors” (ECO117), OSHA sign “Hearing Protectors Notice” (EOAV322), earplug dispensers (OA101D), PELTOR earmuffs (OPH10A) and noise-reducing earplug dispensers (OA102).
Under “Accessories” at the bottom of the page, you can also find equipment for work, such as OX safety glasses for eye protection (YA12166) and the N95 respirator mask with a valve (R9211).
OPHMT13
Data sheet
- Product group
- Safety equipment
- Main category
- Personal protection
- Sub category
- Hearing protection
- Sub sub category
- Earmuffs
- Name of the product
- Peltor(Tm) ear protector
- Series of products
- Peltor (Tm)
- Product code
- OPHMT13
- Manufacturer
- 3M (TM)
- Country of origin
- United State of America
- Reusable
- Reusable with prior hygienic measurement
- Attenuation
- 26 dB
- Class according to CSA
- Class A according to CSA
- Hearing protection style
- Foldable headband
- Hanging method
- Headband
- Battery type
- AA battery pack or rechargeable NiMH
- Battery life
- Approximately 1000 hours
- Inherently safe
- Not inherently safe
- Communications management
- Just listen
- Function
- Dependent on level for surround listening
- External two-way radio communication
- Does not perform external two-way radio communication
- Length (in/cm)
- 8 in / 20.32 cm
- Width (in/cm)
- 6 in / 15.24 cm
- Height (in/cm)
- 5 in / 12.7 cm
- Weight (lb/kg)
- 1 lb/ 0.45 Kg
- Sold by
- Unit
- Color
- Black
- Return conditions
- No returnable if used. For more information about our return policy, please refer to the "Orders and Returns" link on the home page
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With a 26 dB Noise Reduction Rating (NRR), the 3M ProTac III uses level-dependent technology to suppress harmful impulse noises (like machinery or impacts) while amplifying ambient sounds below 82 dB. This allows you to talk to colleagues and hear warning signals without ever removing your hearing protection. Ideal for manufacturing, construction, and maintenance.