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Improve Situational Awareness | Sonetics Listen-Through Technology

Sonetics — Sat, 10 Oct 2026 01:30:00 GMT

” Situational awareness ” describes an alertness to and an understanding of hazards in your environment, and whether they pose a threat to your health and safety. More simply, keeping your head on a swivel can keep you safe.

Picture a flagger directing traffic in a busy work zone. Or a crane operator relying on hand signals from a spotter to position a 20-ton load. How about the production worker monitoring a fast-moving line? All of these jobs require focus and concentration to maintain safety.

Why situational awareness is important

We’ve talked before about how to avoid struck-by and back-over incidents. Those are clear examples of the value of situational awareness in the work zone. Hearing a vehicle’s back-up signal before it’s too close – especially when you’re focused on your own task – lets you to take action to maintain a safe distance and avoid a potential incident.

Traffic control
Crane operator Industrial maintenance

In addition, situational awareness involves recognizing the threats faced by your coworkers. In a post about road crew safety, I shared the story of a cone truck driver and his partner who accidentally fell from the truck. Unaware of the incident, the driver continued on his route for nearly two miles before discovering his partner was no longer aboard.

Add the challenges of extreme noise and bad sight lines, and you have situations where knowing what’s going on around you is absolutely essential to maintain a safe and productive job site.

Isolation is the enemy

We know occupational noise exposure is a problem. However, traditional earplugs and earmuffs block out all noise. They don’t distinguish between sounds that threaten your hearing, your coworker’s raised voice, or an alarm beeping on a console. Everything is muted.

As a result, workers experience a sense of isolation when wearing earplugs or earmuffs. It’s uncomfortable. So much so that they may refuse to wear hearing protectors in order to maintain or improve situational awareness.

The conflict between situational awareness and safety is obvious. You must protect your hearing, but covering your ears makes it difficult or impossible to hear colleagues, equipment, and warnings.

Using Listen-Through Technology to improve situational awareness

Sonetics developed its Listen-Through Technology for our wireless team communication headsets in response to our customers’ chief complaint about wearing traditional hearing protection: “I can’t hear anything!” Listen-Through Technology gives workers back control of their audio environment in three key ways:

End the Isolation – Microphones on each ear dome of a Sonetics Wireless Headset let you hear your coworkers and equipment. No need to remove your hearing protection; no losing communication with your crew.
Awareness on Demand – You decide when to open up those Listen-Through microphones and add back environmental sound. Toggle Listen-Through on or off with a quick button press on the headset.
Fully Adjustable Volume – Since no two workers or work environments are the same, Sonetics Listen-Through Technology is fully adjustable with six volume levels. Mix in just the right amount of outside sound that you need.

You shouldn’t have to compromise your safety or your long-term health just to have a conversation with your team. Listen-Through Technology lets you take control of who and what you need to hear to improve your situational awareness.

Sonetics in the Real World: Aransas National Wildlife Refuge

Sonetics — Sat, 10 Oct 2026 01:30:00 GMT

Before trying Sonetics wireless communication headsets, instructors at Aransas Wildlife Refuge in Corpus Christie, Texas, wasted a lot of time walking back and forth.

Their team trains new regional fish and wildlife employees, biology interns, and temps how to safely operate heavy equipment. To do this, they walked alongside students in the machines to instruct them. Every time they needed to give detailed directions, they had to shut down equipment because the noise was too loud to shout over. Having trainers in close proximity to operating equipment was a safety concern for the department, and it was physically demanding on the instructors.

After training using Sonetics, they can do things differently. “With these headsets, the machine never had to stop as they were operating it,” says David Brennan, a safety instructor at Aransas Wildlife Refuge.

“Talk about a game changer. Not only from a safety standpoint, but a productivity standpoint – it’s a win-win. I was actually able to add 2 hours of seat time for the students. And at the end of the day, I’m not worn out because I’m not walking next to the equipment all day long.”

Now the Aransas Wildlife Refuge is using a 3-headset system on their barge to enable communication between their wellhouse and engine room crew. The barge has 3 engine rooms, and if a problem is detected the crew member has to physically run up to inform the barge captain.

“Something could seriously go wrong before I have a chance to react and take corrective action,” says Brennan. “[Sonetics] eliminates that whole factor. I know exactly what’s happening in that engine room as it’s happening instead of having to run back up back and forth.”

How It Works: Noise Cancelling Headsets - Sonetics

Sonetics — Sat, 10 Oct 2026 01:29:59 GMT

Noise-cancelling headsets have come a long way in the past 30 years, and they provide many advantages for workers who need to communicate in loud environments. Noise-cancelling technology restores the ability to hold a conversation. With distracting sound gone, voices are easier to hear, improving understanding of messages.

We’ve all experienced how workplace noise can make conversation difficult to impossible (don’t get me started on video conferencing). But in the spirit of adaptation, teams have developed a lot of workarounds. You turn off the truck or move away from the compressor in order to hear instructions. You shut down loud equipment for a couple of minutes so you can have a quick face-to-face on what you need to get done.

Dealing with noise is a problem

But there are a couple of problems with those adaptations. First, even if you shut off your equipment, there are likely other sources of noise that you can’t control, like conveyor belts or nearby crews using their own loud machines.

Shouting creates more problems than solutions

“We’ll just yell,” you reply. “All we need is a minute to get on the same page.” Sure, but if it’s loud enough that you need to yell, chances are that noise is going to interfere with your buddy’s ability to understand your shouted instructions. It will take more time to get your message across.

Often you’ll move closer together to avoid yelling louder, removing your hearing protection devices so you can hear each other. But now you’re exposed to potential hearing damage and to violations of CDC’s social distancing guidelines. And just to pile on a little more, frequent yelling also increases blood pressure.

Masks and face coverings muffle voices

The days of a quick face-to-face are gone for the immediate future. Since we’re all maintaining at least six feet of distance from coworkers and wearing a mask or face covering, it’s no longer an option to simply step closer to someone and shout to be heard over the noise. And even when you do shout, those face coverings muffle voices enough that any advantage you gained by shouting is lost to the mask.

Putting distance between you and productivity

“Well fine, we’ll just move away from the noise to talk.” But that racks up even more lost time, negatively affecting productivity. It also assumes that you can find a place that’s far enough away from workplace noise that doesn’t hover above OSHA-recommended safety levels. The farther you have to go to find a quiet place to talk, the more time you lose.

Teams can't work without communication

What about those jobs that require real-time communication? From crane operations to line pulling, to production floors and hydroexcavation, there are lots of tasks that require your crew to not only work alongside each other, but together, coordinating maneuvers with precision timing.

And all that goes out the window when you can’t hear each other. So what’s the answer to this complex problem? Enter the noise-cancelling headset.

The basics of noise cancellation technology

Noise cancellation: Collisions of opposing sound waves prevent unwanted noise from being heard.

Here’s a very quick primer. Sound travels in waves. A microphone on your noise-cancelling headset receives an incoming sound wave, and electronics inside the headset create its ‘opposite’. The opposing wave is broadcast into the ear dome of the headset just as the outside wave arrives. When the waves collide, that sound is cancelled.

Also called active noise reduction (ANR), this technology works best with constant, low-frequency sound, such as engine or traffic noise. Noise cancellation is less effective at removing high-frequency sound, like the hiss of a pneumatic sprayer. That’s why noise-cancelling microphones are often combined with noise-reduction earmuffs. Put the two together, and you have a noise-cancelling headset.

The benefits of using noise-cancelling headsets

It’s hard to overstate how game-changing noise-cancelling headsets can be when you’ve been struggling with loud job sites for so long. How does boosting productivity and improving safety sound?

Here are the key advantages that noise-cancelling headsets offer for teams:

Effective communication – Hear messages clearly the first time. Understanding improves without interference from environmental sound.
Increased productivity – Clear communication keeps the job moving safely and efficiently. You gain back the time you lost having to repeat instructions.
Decreased downtime – Now that you have effective, real-time communication despite the noise, you can avoid shutting down equipment or stopping work to talk with the team.
Improved Safety – Noise-cancelling headsets give you the best of both worlds: no-compromise team communication and personal hearing protection.

Key features that improve the experience

These features take an average noise-cancelling headset to the next level, providing an experience that improves audio and boosts safety.

Full-Duplex Communication – People talk over each other. Sometimes they need to interrupt or warn. Noise-cancelling headsets that use “full-duplex” wireless technology to enable natural conversation are a step above.
Listen-Through Technology – Some workers object to hearing protection because it can prevent them from hearing warnings, alarms or other critical communications. Pass-through microphones (sometimes called Listen-Through) let users add back environmental sound, providing a boost of awareness and safety on demand.

Auto-Leveling Microphone – When your team’s tasks take them from high- to low-noise areas and back again, an auto-leveling mic smooths out the transitions. It detects changes in overall sound levels and automatically adjusts sensitivity to keep voices at normal levels.

Canceling out the noise

Noise-cancelling headsets improve team communication and productivity. If your team is struggling to be heard, confused by easily misinterpreted hand signals, or walking a country mile to find a quiet place to talk, consider noise-cancelling headsets to get everyone on the same page.

To find out more about Sonetics Wireless Headsets, visit our website or call 800.833.4558.

Leading Through Continuous Innovation - Sonetics

Sonetics — Sat, 10 Oct 2026 01:29:59 GMT

Maximizing the Range of Your Sonetics Wireless System

Sonetics — Sat, 10 Oct 2026 01:29:59 GMT

How Maximizing Range Works

Most teams that communicate with Sonetics wireless headsets rarely need the system’s full range. When team members are within a few hundred feet of a ComHub on a Vactor or tow truck, crane, construction job site or factory floor, DECT7 connectivity is strong and dependable.

But some teams need every inch of the 1,600-foot range that DECT7 provides from a ComHub. Road construction crews, agricultural workers and marine operations often include team members who need to work at the edge of DECT7’s range, where they can still take advantage of interference-free, secure communication that’s as clear and seamless as a landline conference call.

Remember these three phrases when you want to extend the range of your Sonetics wireless team communication system:

Line-of-sight
Height
Orientation

Essential Components of Maximum Range

No card tricks here. Antennas define the coverage area of DECT7 wireless. Our dual dome antenna design in the headsets uses diversity switching to lock in the best of the two signals. In other words, users don’t need to worry about head position relative to the ComHub. No matter which way you turn, DECT7 delivers best possible connection at all times.

Sonetics Wireless DECT7 Portable ComHub (SCH305)

Speaking of the ComHub, it’s the central nervous system of your work site’s wireless communication setup. As long as you have a charged ComHub and headsets, you have
a secure, local communication network no matter how remote your jobsite. There are no external antennas that break, snag, or need to be replaced. Everything is contained in a weatherproof portable case. Official specifications for the range of DECT7 wireless from a ComHub is 1,600 feet line of sight. Where you position your ComHub factors greatly into achieving that maximum range.

Outta Sight, Outta Touch?

The first guiding principle to help you maximize range, “line-of-sight,” doesn’t necessarily mean that you have to be able to see the ComHub from just over five football fields away. This is not an eye test. But as long as there are no barriers between you and the ComHub, you can expect uninterrupted communication at up to 1,600 feet.

Barriers can reduce the system’s range as your signal uses some of its power to climb over and around structures and equipment. So if the ComHub is blocked from your line of sight by a lot of big, heavy equipment, walls or mountains, then you will have to use trial and error to determine best placement. To help you position the ComHub, the headsets include an out-of-range voice prompt if the connection weakens and is about to be lost.

The Height of Elevation

Getting the ComHub off the ground is actually an extension of the line-of-sight guiding principle. You’ll have a better chance of seeing the ComHub from five football fields away if you raise it up in the air. Usually, range will be greater if the ComHub is four to 16 feet off of the ground. This is also the best way to avoid ground-level obstructions such as automobiles, boulders or small trees. The ComHub is housed in a sturdy, weatherproof nylon bag with a coated hook attachment, so it’s easy to securely hang off of a ladder or aerial lift.

Range testing the Sonetics ComHub.

Stand Up for Orientation

Orientation matters: Vertical and horizontal deliver the most consistent results.

How you orient the ComHub also matters. Of the three standard options for orientation—vertical, horizontal or flat—vertical and horizontal both help you maximize the system’s range.

Beyond 1,600 feet

For all team members to take advantage of full-duplex or broadcast connections in crystal-clear DECT7, they need to be within range of the ComHub. It is possible in some circumstances to extend range beyond 1,600 feet (for example, we got 4,400 feet of range using the idealized setup shown in the photo above). However, you should have backup communications at the ready if you know you’ll be operating at the edge of DECT7 range.

Beyond DECT7 range, the entire world is within reach. You can direct-wire a connection to a two-way radio if you want to extend range to a few miles. Note that you’ll be subject to the two-ways’ limitations of PTT and half-duplex communication. Bluetooth-enabled systems also allow you to wirelessly connect to your cell phone with your headset, giving you global communication options.