The requirements for hearing protection always vary from person to person. Hearing is among the most beneficial senses, without which a person is insufficient. A deaf person cannot get what others want to say and remains un-responded.
Hearing is a great blessing that must appreciate and always make this sense. Hearing loss may also lead to a mental disorder that results in an invaluable person. The technology is too vast. Scientists have invented many new devices that help you be comfortable and lead your life quickly and ultimately.
It is challenging for people to buy products with the same features but vary in look and results. Choosing the best company for buying the best Ear protection for shooting is the most messing job. Here is a guide for the people looking for hearing protection ear muffs that keep them away from hearing loss and help them stay healthy in every respect, including hearing sense.
8 Best Hearing Protection for Shooting and Hunting
- Pro For Sho Noise Cancelling Headphones for Shooting
- Decibullz 31dB Highest NRR Custom Hearing Protection for Shooting
- Peltor Hearing Protection
- GLORYFIRE Best Shooting Ear Protection
- Howard Leight Best Electronic Hearing Protection for Shooting
- PROHEAR Best Hearing Protection for Shooting with Bluetooth
- Walker Best Ear Protection Earplugs for Shooting
- Bcoxan Best Shooting Headphones
Hearing protection aids might be budget-friendly and readily available for the customers. Hearing protection is the essential tool that is needed of every shooting expert. It is a necessary device that everybody should have throughout shooting and hunting.
The hearing protection can benefit you in several ways; it could help your ears keep safe while getting such a smashing sound. The electronic ear muffs are made to protect your ears from shooting sound but still enable you to hear the human voice and low-frequency sounds.
The earmuffs have many features at once, it has distortion-free amplification and allows auto-shutdown, and volume controls systems. The best hearing protection for shooting is the foremost priority of every gun user.
1) Pro For Sho 34dB Noise Cancelling Headphones for Shooting
Noise Reduction Rating (NRR): 34 dB | Item Weight: 0.45 pounds
Pro For Sho is a relied-on safety, and security brand name started and based in America. The company is making every effort to supply your top-quality items at the leading edge of advancement.
The Easy Hearing Defense Earmuffs is made from the most refined quality product and has been Especially Re-Designed to address the constraints of the majority of the cumbersome earmuffs in the marketplace. We are most likely to severe sizes to ensure our Pro For Sho earmuffs can provide you with the highest possible 34dB Hearing Protection and non-irritating unpleasant wearing experience.
Safety and Security of Ear Muffs
The Pro For Sho 34dB safety and security ear muffs are of commercial quality. They secure your hearing while shooting, using loud power devices, or perhaps going to musical concerts. They have produced a selection of users with a range of requirements from everyday noise security delicate ears or those who take part in loud settings.
They have created youngsters and grownups with a flexible and cushioned headband, convenience fit, and a slimmer account than various other earmuffs.
This noise terminating ear muffs can suit tiny bags or huge layer pockets without occupying much room. In addition, our over-the-ear items are slimmer than various other brands while still providing the very same quantity of defense!
For the most optimal fit, these ear muffs can be secured on the Pro For Sho box overnight to guarantee the correct amount of flexibility and give up the band, ensuring every user obtains one of the comfiest fits.
The flexible headband guarantees that everybody who puts on these noise defense ear muffs can ensure an ideal fit.
The padded headband guarantees you can put on these earmuffs all day without obtaining frustration from the band being too stretchy.
Pro For Sho 34dB is considered the best hearing protection that would probably help the users to keep their ears alive till their whole life. Its various features enable the consumer to have it with comfortability and stay away from the noise that would lead to hearing loss or hearing-impaired.
- Block out extra sounds.
- Lifesaver product for sensory noise issues.
- Don’t block out completely, but it aids to keep away from distracting sounds while concentrating on a specific work.
- Seal well on the head and reasonably comfortable.
- It does not work as that of 34dB NRR.
- It cannot help in blocking construction sound.
2) Decibullz 31dB Highest NRR Custom Hearing Protection for Shooting
Highest NRR: 31 dB | Material: Thermoplastic | Dimensions: 4.45 x 3.07 x 1.54 inches
Decibullz was founded by Kyle Kirkpatrick, a professional athlete and technology head, required to be upside-down and pay attention to his tracks. After seeking advice from audiologists and numerous models, customized malleable service to earphone protection and convenience was born.
For eight years currently, the tight-knit Decibullz group has refined its procedures and treatments, delighted numerous individual’s world, and remains to establish much better means to offer hearing protection and sound improvement.
Decibullz Customized Molded Earplugs area conveniently as well as promptly fitted to the specific form of your ear. These earplugs develop an excellent suitable earplug that will undoubtedly never harm, never befall and offer excellent noise seclusion.
Simple Shape System
Merely heat the Decibullz thermoplastic molds in boiling water, let them awhile, and form them to your ears. Decibullz is ideal for shooting, taking a trip, working, loud performances, as well as safety and security.
Included with Acquisition
They consist of Two Decibullz Thermoplastic Customized Molds, 3 Three-way Flange Tips, S, M, L, one pair of Max Protect Tool Foam Tips, and an Earplug Lugging Bag with a bag Decibullz Logo Design.
Heat Shape Remold
Obtain remarkable audio quality and sound reduction with customized ear items for radio. Just heat the earpiece mound in a mug of boiling water, cool, after that, put it right into your ear. It forms around your very own ear as it cools down. Whenever you require to mold the earpiece, you can reheat and remold these multiple-use ear items.
Decibullz Customized Molded Earplugs are the best hearing protection from shooting that enables you to keep away from the noisy and high-frequency sounds that are unfriendly to your hearing sense.
It aids the user to remain tension-free while having noise all-around. Its reviews are well n good that shows its great working and the standard at which it is made to easily meet the needs of the people. I want to recommend this product to new users because of its multiple functioning and molding ability. I have personally used these earpieces to avoid the noisy place, and its results were great.
- It can be molded to fit into the ear.
- Includes everything that you need for ear protection.
- Comfortably fit in capability.
- It has NRR 31 that enables to protect from damaging sounds.
- Looks like wireless headphones but don’t have though.
- Get hard when cooled and dried.
3) TAC100-OTH Peltor Best Shooting Ear Protection
Batteries: 2 AAA batteries | Number of Pieces: 5 | Dimensions: 4.62 x 7 x 11.38 inches
They present the peltor hearing protector with enhanced efficiency, improved convenience functions, and better performance. Including exclusive 3M modern technology that reduces damaging gunfire noise while intensifying low-level audios, the peltor hearing protector is optimal for indoor and outdoor shooting and hunting.
The 3M peltor TAC100-OTH best shooting ear protection improved, boosted comfort features, and far better performance. Including exclusive 3M modern technology that reduces hazardous gunfire sound while enhancing reduced degree appears, the peltor sport tactical 100 electronic hearing protector is suitable for indoor and outdoor shooters and hunters.
Noise Reduction Rating (NRR)
The peltor hearing protector has a 22 dB noise reduction ranking. NRR is the unit that measures the effectiveness of hearing protection devices that decrease unwanted sound to enable the user to work with total concentration. The more the NRR of the device, the more the outstanding performance of the tool.
Created for Indoor and Outdoor
These earmuffs are excellent for shooting and hunting, whether indoor or outdoor. The peltor TAC100-OTH can quickly reduce the unwanted noise for human hearing. It is reliable for the ears and can conveniently be utilized indoors and outdoors. The peltor ear protection is valuable when working while having an earmuff in your ear.
It helps you to keep away from the noisy environment and keep concentrated. The use of earphones during hunting aids the consumers in avoiding the damaging noise of gunfire. The noise of gunfire might affect the hearing sense, leading to hearing loss or hearing-impaired.
Hearing Protection Add On:
- It minimizes noise inside your home.
- Itdecreases background sound for more explicit discussion and hearing of commands.
- It avoids damages and decreases wind sound.
- The adjustable and resizable headband is included for a comfy fit.
- It enables the easy-access with secure 2 AAA batteries.
- It typically works on 2 AAA batteries.
- It is suitable with the majority of MP3 players and also 2-way radios.
The peltor TAC100-OTH is considered the best hearing protection that would aid the customers in maintaining their ears active for their entire life. Its numerous functions make it possible for the customer to have it comfortable and steer clear of the noise that would undoubtedly cause hearing loss or hearing-impaired.
Its features, including variable reductions time, durable recessed microphones, flexible headband, easy-access battery door, batteries, 3.5 mm sound input jack, have made it easier to use and more valuable in the life of people who require the best electronic ear muffs.
- It has amazing battery life that lasts after three days.
- Great addition of Bluetooth that enables to call while shooting.
- Mechanics are great.
- It causes no neck pain.
- Have noise canceling ability.
- No user manual inside.
- Difficult to adjust variable reduction time.
4) GLORYFIRE Best in Ear Hearing Protection for Shooting 2021
NRR: 25 dB | Attack Time: 20ms | Connection Cord: 3.5 mm
The GLORYFIRE Electronic Shooting Earmuff is our choice for the very best HPD for hunting. This earpiece generally has the highest possible audio boosting on this checklist. It likewise has among one of the clearest directional audios.
With these on, if your target does so long as to step on a crispy fallen leave or breathe a little noisy while you remain in the area, you’ll have the ability to hear it and hunt it down with convenience. Having the ability to hear the audio signs, you would not usually listen to will certainly offer you the hunter’s side and enhance your total hunting experience.
Superb Audio Support
Work wonderful in intensifying audios while you’re hunting. Also, the least audio, GLORYFIRE electronic ear muffs, can likewise make you discover your target.
GLORYFIRE shooting earmuffs have exceptional audio support along with excellent noise decrease, enabling you to listen to little audios while hunting and protecting your ears from the noise shooting.
Interact Well While Shooting
With GLORYFIRE shooting ear muffs on while shooting, you’ll have the ability to interact with others without being disturbed by loud gunfire.
Exceptional Noise Decrease
Fantastic sound reduction, deep ear pads, GLORYFIRE ear muffs can protect your ears from hearing loss while shooting.
Extravagant Listening Experience
These shooting ear muffs have exceptional audio, top quality. In leisure, the stereo microphones can take you to delight in the fantastic music and offer you a perfect music feast.
The customer’s need is due to the various functions that enable it to be in the leading position of hearing protection devices. The resizing and readjusting headband and cups make it possible for individuals to take pleasure in the item according to their needs. The factor for suggesting this item to the new customers is that it can assist greatly in terminating the noise and provide far better results.
- Electronic noise cancellation is very effective.
- It’s very comfortable. Even to wear full-day.
- The sound is very natural, and the compressor is very quick.
- Its battery life is good.
- Poor design hard to operate on/off and volume.
- Difficult to reach the control when you are wearing the headset.
5) Howard Leight R-02231 Best Electronic Hearing Protection for Shooting 2023
NRR: 22 dB | Attack Time: 0.5ms | Dimensions: 5.5 x 3.5 x 8.5 inches
The 5X audio boosting improves ambient seems like range commands and animal sounds. Engineered solely for shooting, the Impact Sport Bolt includes low-profile earcups with rifle exploded views for ideal gunstock clearance, directional microphones for tracking target, and a portable, folding layout with belt clip for simple storage space.
Instantaneous Hearing Protection
Digital compression wiring supplies a lightning-fast .5 millisecond strike time, reducing the noise to a risk-free sub-82 dB level. The gadget is 250X much faster than our traditional Impact Sport design.
The .5 millisecond assault time likewise removes sound-clipping. This time is vital for a hectic variety course setting where hearing regulates is essential for safety and security or discovery.
Developed for Shooting
Low-profile earcup, recessed controls, and a rifle-cutaway layout enable a tight gunstock cheek bonded that will not interrupt the seal of the ear padding while permitting far better automatic viewed and unsighted fire.
Engineered for Hunting
Open microphones minimize wind sound and enhance peaceful sounds like animal noises approximately 5X. The microphones are likewise directional, which allows you to understand where the noise is coming from. This tool has a vital function for tracking targets and an included safety function for the array.
AUX input and 3.5 mm link cable permits you to attach to an external MP3 player, scanner, or various other audio gadget.
Cushioned ear paddings and cushioned black leatherette headband deal long-wearing convenience on the range or in the field; consisted of 2 substitute ear paddings.
Compact & Portable
Folding style decreases earmuff dimension by 50% and enables portable storage space; belt clip is included for hassle-free hands-free carriage.
Reduced Power Earmuff
Automobile shut-off after four hrs. lengthens battery life, and the snap-on cover permits simple battery substitute. It consists of 2 AAA batteries.
It has featured that no product possesses. It allows the user to feel comfortable while managing a critical task. The task might be indoor or outdoor that doesn’t matter. Its results are always significant enough to suit every user extraordinarily.
It aids the users to recommend it further and have silence all-around even in a noisy environment. The recommendation of a product is always due to its valuable properties, and the customers’ reviews also matter to a great extent while buying something new.
- Work great on the range.
- The difference in quality is truly remarkable.
- The digital hearing boosting related to this gadget is ridiculous.
- Poor weather conditions appeared not to affect these earmuffs.
- Volume control is convenient and also readjust.
- The belt clip will certainly not fit the competitor’s belt if you’re firing.
- Don’t fit well on a large or a standard-sized head.
6) PROHEAR 030 Best Ear Protection for Shooting with Bluetooth
NRR: 22 dB | Attack Time: 10ms | Warranty: 1 year
PROHEAR has invested the past 15 years exclusively concentrated on hearing protection and optimization. It waits for the top quality of its shooting ear muffs.
Actively Proactively listens & Noise Reduction
A functional set of Bluetooth digital shooting hearing protectors operates fantastic indoors and outdoors. It includes different volume control that permits you to readjust the music volume and the ambient sound around you separately.
Developed for Shooting
The shooting ear muffs likewise included low-profile cups with cut-outs that are perfect for usage with rifles and shotguns, offering full defense with superior convenience in the field or at a shooting variety.
Developed for Convenience
Cushioned ear paddings and padded metal cord structure headbands deal with utmost convenience even for a long period utilizing the gun array for the target method or in the field. Feature “Snap-in layout” ear pads enable very easy up keep and substitute, do not fret that long term wear of earpads types germs and damage to our ears.
Easy to Lug
Portable folding layout for hassle-free storage space, you require folding it up and placing it in your travelling bag, knapsack, ammunition box, or any place you keep your ear muffs. (A lugging bag is included).
Reduced Power Earmuff
36 Hrs. Playtime at Bluetooth Setting. That makes you concentrate on what you wish to listen to, enjoy your tracks and video clips for 36 hrs. long period while instantly minimizing loud noises over 82dB for you.
It has 22dB NRR and 27dB SNR, plus rapid shut-off of noise over 82dB within 0.01s; this is 10X much faster than other earmuffs. PROHEAR 030 hearing guard is created for shooting and hunting; however, in addition, great for the indoor weapon range, running devices, and numerous other loud ambiences.
Strong Bluetooth Signal Strength
Bluetooth Innovation allows you flawlessly stream amusement from your smartphone and any other Bluetooth enabled gadget. PROHEAR is best for people who usually want to keep their cellphone in their pockets when using ear muffs.
Separate volume control & Directional audio
The PROHEAR 030 Bluetooth digital earmuffs own two-volume buttons; one manages the volume of Bluetooth, and the other controls ambient sound. They function individually from each other.
Among Bluetooth 5.0’s major benefits is its rise to variety and data transfer rates. You will certainly observe the distinction specifically when walking your house. Suitable with numerous Bluetooth gadgets and interaction systems, consisting of cellphones, tabs, notebook computers, computers, and so on.
PROHEAR 030 Earplugs are the best hearing protection for shooting that allows you to avoid the loud and high-frequency audios that are hostile to your hearing sense. One can utilize this device with numerous functions rather than simply shooting.
It assists the customer to stay tension-free while having noise all-around. Its evaluations are well n good, revealing its fantastic work and the criterion at which it is made to satisfy the individuals’ requirements conveniently.
- The volume of the noise piping is adjustable.
- It has a facility to connect the phone to the headset via Bluetooth and play some soft music underneath everything.
- Easily affordable due to being too inexpensive with numerous features.
- Automatically muffles the sound.
- Battery life is not much better.
- No charging port is available.
7) Walker Silencer Best Ear Protection plugs for Shooting
Battery Type: #10 | NRR: 25 Decibles | Quantity: 2 pairs
Do not allow your love of hunting and shooting to result in a lifetime of losing out on the various other points you enjoy because of hearing loss. Secure your hearing at the variety and in the field with Walker’s best electronic ear muffs.
Audio Triggered Compression
With Audio Triggered Compression innovation along with OS R3110 electronic audio handling as well as a complete vibrant array of audio speakers, these aren’t your regular earbuds. They both secure and improve your hearing, decreasing the noise of weapon fire by 25 dB while adjusting you right into the noises that matter.
Secure Lock Design
Do not fuss with bulkier designs; these earbuds fit firmly into your ear with their secure lock suitable innovation and three earbuds’ dimensions and consisted of sizing fins. The ideal fit indicates one of the most energetic seekers can leave these in without fear.
- Powered with 4 included #10-dimension batteries that last 80 hrs., depend on Walker’s Silencer Digital Ear Buds, and return to the shooting you enjoy.
- It has left and right appropriate electronic earbuds for hearing protection and improvement while shooting.
- Function SAC (Sound Activated Compression) to secure your hearing.
- OS R3110 electronic audio handling as well as integrated with omnidirectional microphones.
- It functions independent volume control and also on/off button.
- It has clear audio with a wide variety of audio speakers.
- It consists of 3 sizes of amazed silicone and foam earbuds and three dimensions of sizing fins.
- Detachable lanyard and also consists of lug case.
Walker’s Silencer Digital Ear Buds are an in-the-ear-canal gadget that both intensifies low-level audios so you can interact on the variety and also reduces hazardous audios to secure your hearing. Silencer Ear Buds offer NRR 25 dB defense against weapon blasts via SAC (Sound Activated Compression).
Secure-Lock sizing fins in three sizes offer a narrow fit. Integrated Omnidirectional microphones and completely vibrant audio speakers provide crisp, clear audio. The audio speakers include independent volume control and an off/on button.
- It is perfect for low-profile tactics.
- It has a long battery duration.
- The body is sturdy & compact.
- It has sound ambient microphone capabilities.
- It’s very comfortable to wear.
- It’s affordable.
- The foam did not compress or expand enough to seal in one ear.
- Do not suppress loud noises such as a gunshot.
8) Bcoxan Hearing Protection Best Shooting Headphones
NRR: 28 Decibels | Warranty: 2 Years | Dimensions: 6 x 4 x 0.6 inches
Bcoxan has shooting Ear Protection Weapon Variety. Its SNR 34dB help in hearing defense and comes with much better features & far better hearing protection. This best shooting ear protection having double guarded layout, foldable, lightweight (10.2 oz.) and comfy design is best valued for Youngsters.
Soft & Comfortable
Each ear muff has two thick foam cushioning over 16mm; soft replica natural leather offers convenience and a limited sound-proof seal; Cushioned headband can efficiently minimize the stress on the head.
NRR Sound Technology
Bcoxan ear muffs could be your most reliable sound minimizing tools with NRR 28dB (SNR 34dB) rating, which is licensed by ANSI S3 .19 (United States) & CE EN352-2 (EU) laboratory examination standers.
The retractable stainless steel for completion of the headband and the 361 ° rotatable layout of each cup make the ear muffs fit the numerous head dimensions from adults to youngsters.
The nylon swivel can be folded and unfolded by its outstanding wear-resisting feature and could quickly break down the ear cups right into the headband for hassle-free transportation.
Numerous Celebrations Are Readily available.
Bcoxan ear muffs can be one of the most efficient tools to secure your hearing from searching, shooting, production, lawn job, etc. Develop a quiet world around you.
Decreasing Sound Layout
Distinct Layout with a double-deck enhanced anti-sound sponge and two high securing strong ABS cups offers a high SNR of 34dB (NRR 28dB) for sound reduction.
Light-weight and Flexible
290g/10 .2 oz light-weight makes you obtain much less exhaustion triggered by long-lasting wearing. It is hassle-free for adults and kids to utilize since you can readjust its size by outstanding wear-resistance feature nylon swivel.
The rotatable cups enable them to rotate in all directions to readjust them according to the user’s demand. Not just grownups, however likewise, youngsters can obtain the best fit.
Ear paddings are made from soft and skin-friendly replica natural leather, which provides an exceptionally comfortable experience being used, so you will undoubtedly appreciate our ear defense ear muff.
It is the buyer’s demand because of its numerous features that allow it to be in the top ranking of the hearing protection gadgets. The resizing and readjusting headband and cups enables users to enjoy the product according to their demand. The reason for recommending this product to the new buyers is that it can help a lot in canceling the noise and supply better results.
- The packaging of the gadget is fantastic.
- Manufacturing efforts enable to make it perfect.
- Excellent quality and the ability to block out noises.
- It relieves headaches and brings peace to mind.
- Affordability and pricing allow you to buy quickly.
- The headphone fits too tight on an average-sized head.
- Unadjustable fitness.
Buying Guide for the Best Ear Protection for Shooting
If you are not acquainted with electronic shooting ear muffs, below is a brief description of exactly how they function. The electronic hearing protection provided by the ear muffs secures your hearing from loud noises created by shooting or loud equipment.
Inside the muffs are digital parts consisting of microphones that grab audio from outside the ear muffs. The amplifier makes lowered volume in the ambience easier to listen to the muffs on than with the exposed ear and sound speakers that anticipate the improved sounds to your ear inside the earmuffs.
In short, the following functions ought to be taken into consideration when purchasing any electronic hearing protection and boosting ear muffs:
Noise Reduction Rating (NRR)
NRR is the unit that measures the effectiveness of hearing protection devices that decrease unwanted sound to enable the user to work with total concentration. The more the NRR of the device, the more the outstanding performance of the tool.
The electronic devices in the earmuffs do not secure your hearing. Just the ear muffs can do that. Ensure you obtain an NRR rating high sufficient to offer the protection you require. Little caliber tools require a minimal NRR 20 dB.
Larger bore hand and lengthy weapons require NRR 25 dB or far better, and for big caliber and magnum pistols, long weapons, and shotguns, the highest possible rating you can obtain (NRR 33 dB) is appropriate.
Variety of Microphones
Each ear cup attains the appropriate directionality of the audio you listen to. This setup will certainly allow you to inform not only which side the noise is originating from, however whether it is originating from in front or behind you.
This type of directionality is essential for hunting, cops, and armed forces scenarios, and a very, really great to have function attribute in all applications for digital ear muffs.
Compression vs. Quit Gateway Innovation
Audio Compression innovation implies you hear a constant stream of noise without the on-off audio you get with a quit gateway amplifier.
The faster the strike time, the much less you will certainly find yourself remove from surrounding noises as the amplifier activates and off. Audio compression likewise takes advantage of quick-strike time, leading to fewer losses and higher integrity of noise.
Electronic ear muffs differ extensively in the degree of amplification they can offer. The most effective earmuffs provide a 50-decible optimum boosting, which provides the customer “bionic” hearing that is far better than the individual has without the earmuffs.
Essentially all electronic ear muffs allow you to readjust the volume from off to optimum and throughout between, so a lot more boosting at the maximum is much better. Industrial hearing protectors typically include an integrated limiter, so the noise you listen to cannot go beyond a risk-free degree, even if you transform them entirely and leave them there throughout the day.
Independent ear cup controls
Some digital ear muffs offer you a solitary control, which implies the same amplification in both ears. That allows you to change the volume in each ear to match your individual choices and get rid of slight hearing loss in one ear if needed. This control is exceptionally usual, specifically amongst shooters.
I suggest PROHEAR 030 as it is theBest Hearing Protection for Shooting 2021 with Bluetooth that enables the customer to take advantage of the product by gathering several features at once. The gadget helps the user use it wirelessly to stay connected with the outer environment. Noise reduction, designed for shooting, portability, Bluetooth technology, resizable ear cups allow the customer to own these ear muffs as soon as possible and enjoy every moment of life without getting tensed about hearing loss.Best Recommended Product
Shooting ear protection with an NRR ranking from 28 to 31 is suggestable for indoor shooting.
The bright side is that most commercial noise direct exposures are less than 95 dBA, which indicates employees need no more significant than around 10 dB of noise reduction to fulfil the NIOSH Suggested Direct Exposure Limit of 85 dBA. Nearly any kind of hearing protector, when in shape appropriately, can offer 10 dB of audio reduction.
Ear defense for firing needs an NRR of 30 dB or better than it. The majority of ear protection will undoubtedly max out at NRR 34, so the most effective wager is to obtain earmuffs as well as plugs at that ranking. Electronic earmuffs can function exceptionally well, so they should be considered. Numerous designs will instantly undermine sound of 85 dB or even more.
None. Noise cancellation is for hearing protection. The new noise-cancelling earbuds and earphones develop to obstruct undesirable ambient audios utilizing active noise control for low-frequency audio and soundproofing for more excellent frequency audio. They are ineffective for managing work-related sound direct exposure.