3M Peltor Optime 101 H7A Over-the-Head Earmuffs (SNR 30 dB)

The 3M Peltor Optime 101 H7A are over-the-head (headband) earmuffs delivering an SNR of 30 dB. With twin-cup insulation and a comfortable headband, they give strong, consistent hearing protection for factories and machining workshops where noise is a daily hazard.

Product overview

The Optime 101 H7A is the headband version of 3M’s mid-range earmuff. Because the SNR is 30 dB, it suits demanding industrial noise. The deep cups, soft foam-and-liquid-filled cushions and balanced clamping force keep the muffs comfortable for long shifts, and the headband adjusts to fit a wide range of users.

Key features and benefits

• SNR 30 dB: strong attenuation for high-noise factories and workshops.
• Over-the-head band: stable, adjustable fit for most users.
• Comfortable cushions: soft sealing cushions for long-shift wear.
• Durable build: made for daily industrial use.
• Genuine 3M Peltor: reliable, consistent hearing protection.

Main industries and applications

• Manufacturing & machining: sustained machine noise.
• Metalworking & engineering: grinding and fabrication.
• Maintenance & facilities: plant rooms and compressors.
• Workshops: general high-noise tasks.

Technical specifications

Why buy from Techmaster Electronics

Techmaster Electronics is an authorised supplier of 3M personal protective equipment in Vietnam. We supply genuine 3M hearing protection, advise on the right attenuation and fit for your noise levels, and provide dependable after-sales support. Contact Techmaster for a free consultation and a quotation.

Frequently asked questions

What noise level do the Optime 101 H7A reduce?

They provide an SNR of 30 dB, suited to high-noise factory and workshop environments.

How are they worn?

The H7A is the over-the-head headband version, which adjusts to fit a wide range of users.

How are they different from the H9P3E?

The H7A is the headband version, while the Optime 98 H9P3E is the cap-mounted version that clips to a hard hat.

Are the cushions replaceable?

Yes. 3M offers hygiene kits to replace the cushions and foam, which extends the life of the earmuffs. Ask Techmaster for compatible kits.