Industrial noise-cancelling headphones are designed to reduce harmful workplace noise while helping workers stay comfortable, connected, and aware of their surroundings.
To help you make the right choice, this guide covers three key things to know before buying:
- How these headphones reduce noise in industrial environments
- How they differ from consumer noise-cancelling headphones
- What to look for when choosing the right pair
We will also introduce our top industrial noise-cancelling headset from SYNCO. Let’s take a closer look at each topic.
How do industrial noise-cancelling headphones work?
Industrial noise-cancelling headphones use several technologies to control workplace noise. Passive noise reduction blocks sound from reaching the ears, ANC reduces low-frequency noise, and ENC improves voice clarity. Let’s see how each one works.
Passive noise reduction
Most industrial headphones provide passive noise reduction to physically block sound. Dense earcup shells, acoustic foam, and sealed ear cushions reduce sound before it reaches the ears.
Passive noise reduction is generally more effective against mid- and high-frequency sounds, including much of the noise produced by grinding, cutting, and pneumatic tools.
However, it is less effective against continuous low-frequency noise from engines, generators, and large machinery. This is why many industrial headsets combine passive noise reduction with ANC.
Active noise cancellation
Active noise cancellation, or ANC, is an electronic noise reduction technology used in industrial headphones. It uses microphones to detect surrounding noise and generates an opposite sound wave inside the earcups to reduce the noise reaching the ears.
Industrial active noise-cancelling headphones work best against continuous low-frequency sounds, such as machinery hum, engines, fans, and compressors.
However, ANC is less effective against sudden impacts and irregular high-frequency sounds, so it should complement passive noise reduction rather than replace it.
Environmental noise cancellation
Most industrial noise-cancelling headsets provide environmental noise cancellation, or ENC, to make workers’ voices clearer during communication. Microphones and signal-processing technology separate speech from machinery and other background noise.
This allows coworkers to hear each other more clearly during calls or team communication. However, ENC mainly improves outgoing voice quality. It does not reduce the noise reaching the wearer’s ears or provide hearing protection by itself.
How do industrial noise-cancelling headphones differ from consumer models?
Consumer and industrial noise-cancelling headphones may use similar ANC technology, but they are designed for different purposes. Consumer models mainly improve listening comfort for everyday use, while industrial models focus on reducing a wider range of workplace noise, meeting hearing protection standards, and withstanding harsh environments. Here are the three key differences.
Noise reduction across different frequencies
Industrial headphones often combine sealed earcups and acoustic materials with ANC to reduce a broader range of noise - from low-frequency machinery hum and mid-frequency motor noise to high-frequency sounds produced by grinding, cutting, and pneumatic tools.
Consumer noise-cancelling headphones mainly target continuous low-frequency sounds, such as traffic, aircraft engines, and air-conditioning systems. They may be less effective against the varied noise found in industrial workplaces.
Hearing protection ratings and certifications
Industrial headphones should carry a recognized noise reduction rating for hearing protection. Common rating systems include NRR in the United States, SNR in Europe, and SLC80 in Australia and New Zealand.
Consumer noise-cancelling headphones usually do not have hearing protection ratings. An advertised ANC value is not the same as an NRR, SNR, or SLC80 rating and cannot confirm adequate hearing protection for industrial use.
Durable construction for harsh industrial environments
Industrial noise-cancelling headphones are typically built to withstand repeated exposure to dust, moisture, impacts, and other harsh workplace conditions. Some models may also resist chemicals or extreme temperatures.
Consumer noise-cancelling headphones are usually designed for travel, entertainment, and everyday use so they may be damaged more easily in industrial environments. They may also be incompatible with helmets, safety glasses, and other PPE, making them unsuitable for some industrial workplaces.
How to choose the right noise-cancelling headphones for industrial use?
Now that you understand the basics, here are four tips for choosing the right industrial noise-cancelling headphones.
Match noise-cancelling technology to your workplace noise.
Start by identifying the main type of workplace noise you need to reduce. Then choose industrial headphones with the right noise-cancelling technology:
- PNC reduces mid- and high-frequency sounds from grinding, cutting, and pneumatic tools.
- ANC targets continuous low-frequency noise from engines, generators, fans, and large machinery.
- ENC filters background noise picked up by the headset microphone, helping workers communicate clearly.
Calculate the noise reduction rating you need.
Check whether the industrial headphones can reduce noise exposure to the target level required in your workplace. The limits below refer to average exposure over an eight-hour workday.
👉In the United States, check the NRR and use this formula:
Estimated protected exposure ≈ workplace noise in dBA − [(NRR − 7) ÷ 2]
Aim for an estimated protected exposure of 85 dBA or below. OSHA uses 85 dBA as the action level and 90 dBA as the eight-hour permissible exposure limit for general industry.
👉In the European Union, check the SNR and use this formula:
Estimated protected exposure ≈ workplace noise in dBC − SNR
The final exposure, after accounting for hearing protection, must not exceed the EU daily exposure limit of 87 dBA.
👉In Australia and New Zealand, check the SLC80 and use this formula:
Estimated protected exposure ≈ workplace noise in dBA − SLC80
The estimated eight-hour exposure should not exceed 85 dBA.
Remember that NRR, SNR, and SLC80 use different testing and calculation methods, so their values should not be compared directly. Always follow the hearing protection requirements and calculation method used in your region.
Check the ear cushion seal for effective noise reduction.
The performance of industrial noise-cancelling headphones also depends on a secure earcup seal. Even a highly rated model may provide less protection if sound can enter through gaps around the cushions.
Workers should try on the headphones with all the PPE they normally wear, and check that:
- The earcups fully surround both ears.
- The cushions sit evenly against the head.
- Hair, safety glasses, and other PPE do not break the seal.
- The headband holds the headphones securely without excessive pressure.
- The earcups remain in place when the worker turns, bends, or performs normal tasks.
Balance noise reduction and situational awareness.
Choose industrial noise-cancelling headphones with an ambient listening mode. They can reduce harmful noise while allowing workers to hear alarms, approaching vehicles, and other important safety signals.
Best industrial noise-cancelling headset from SYNCO
The SYNCO Xtalk Industrial combines hearing protection, noise cancellation, and situational awareness in one headset.
It provides more than 28 dB of passive noise reduction, with an NRR of at least 25 dB, an SNR of at least 30 dB, and an SLC80 of at least 30 dB.
Industrial ANC targets low-frequency noise from 50 to 500 Hz and delivers a peak reduction of at least 30 dB, while dual-mic ENC improves voice clarity.
It not only protects workers from harmful noise but also allows them to hear important surrounding sounds. Its ambient mode limits the maximum output to 85 dBA.
👉Contact SYNCO to learn more about the Xtalk Industrial and get full product details.
FAQ
Here are answers to four common questions about industrial noise-cancelling headphones.
Do industrial noise-cancelling headphones protect your hearing?
Only models with a recognized rating, such as NRR, SNR, or SLC80, are designed for occupational hearing protection. ANC alone may make noise feel quieter, but it does not prove that the headphones provide adequate protection.
What are the disadvantages of industrial noise reduction headphones?
Industrial noise-cancelling headphones can be heavier, warmer, and more expensive than standard earplugs or earmuffs. ANC and communication features require power, while a poor fit can reduce protection or interfere with other PPE.
Can I wear them with a hard hat or safety glasses?
Yes, if the headphones are designed to work with your PPE. Safety glasses can create gaps under the ear cushions, while some headbands may interfere with a hard hat, so always test the complete setup before use.
Conclusion
Industrial noise-cancelling headphones provide workplace protection that ordinary consumer models cannot match. They use multiple technologies to reduce different types of industrial noise and carry recognized ratings for hearing protection.
Before buying, measure your workplace noise, select the right technologies and protection rating, and check the fit and situational awareness features. For an all-in-one solution, explore the SYNCO Xtalk Industrial and contact SYNCO for more details.