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A good indicator for if your work area or activity requires hearing protection is as follows: If you have difficulty hearing or understanding a “normal” tone of voice at a distance of about three feet (90 centimeter), noise levels are probably exceeding safe levels and you should be using hearing protection. A surprising number of activities and tools require the use of hearing protection. This includes, but is not limited to, lawn mowers, tractors, leaf blowers, weed trimmers, chain saws, concrete saws, concrete/hammer drills, snow blowers, power saws, working near running chillers, etc. Those using firearms ALWAYS requires hearing protection.
The below infographic shows the maximum amount of time your ears, without the use of hearing protection, could be exposed to loud sounds before they can become damaged:
| Event | Average dB | Max. exposure time |
| Gun shot | 124 – 161 | 0 seconds |
| Concerts / festivals | 115 | < 30 seconds |
| Sporting events | 114 | < 45 seconds |
| iPod, MP3 players | 112 | < 1 minute |
| Jackhammer, chainsaw | 109 | 2 minutes |
| Motor Cycle | 98 | 22 minutes |
| Aerobic class | 94 | < 1 hour |
| Subway | 93 | < 1,5 hour |
| Heavy traffic | 85 | 8 hours |
| Vacuum cleaner, busy street, alarm clock | 80 | > 8 hours |
All our products were created with special use in mind, and therefore with a special and unique filter. The average attenuation (damping), is mentioned on the packaging.
“15dB” filters reduce the sound level by 15dB, making environments up to 100dB safe for up to 8 hours. To compare: Without hearing protection 100dB can cause potentially permanent damage after only 15 minutes of exposure.
“20dB” filters reduce the sound level by 20dB, making environments up to 105dB safe for up to 8 hours. To compare: Without hearing protection 105dB can cause potentially permanent damage after only 4minutes of exposure.
“25dB” filters reduce the sound level by 25dB, making environments up to 110dB safe for up to 8 hours. To compare: Without hearing protection 110dB can cause potentially permanent damage after only 2 minutes of exposure.
Your Crescendo hearing protection is 100% designed and produced by Dynamic Ear Company in Delft, The Netherlands. We have a passion for sound and all our efforts go into developing and creating the best filters for you.
From our products you can expect the best sound experience, insuring that you can hear and are aware of your surroundings whilst still being protected against sound levels that are too high. Every single Crescendo filter is 100% acoustically tested in house, so you can be assured of their quality performance.
Some of the benefits of Crescendo hearing protection:
Natural sound – Filter technology maintains, and sometimes improves, spatial awareness
Feel better – Crescendo filters reduce excess noise and tiredness
Comfort – Crescendo filters allow air into the ear minimising irritation and ‘hot ear’
Environmentally friendly – Our medical grade TPE ear tips are washable, making our products reusable and a sustainable alternative to single use earplugs.
Interchangeable – The filters of your Crescendo hearing protection are replaceable and interchangeable for use in custom fit ear moulds designed for Dynamic Ear Company products
Safety standards – Hearing protection certified to CE and ANSI standards
We would recommend purchasing the Crescendo Events which will give you enough protection to last a whole day while still being able to enjoy the good vibes of the festival event.
Please have a look at our User Instructions page.
For construction and industry/factory type situations with loud continues sound levels we recommend using the Crescendo Work.
With an average protection of 24dB (SNR); you will still be able hear everything at safe sound levels whilst allowing you to still communicate with co-workers, hear alarms and keeping spatial and situational awareness.
Please can contact us through our Customer Service page contact form or by sending an email to sales@dynamic-ear.com
In each product we supply the two sizes of ear plugs that fit the majority of people (Medium and Large). If the supplied ear plugs do not fit please contact us through our Customer Service page contact form.
To best help you we request you add the following information to your email:
Depending on your location you will be contacted by us or our local Crescendo dealer.
NOTE: Please do not forget to swap the filters to the set of ear plugs that you are going to use.
The ear tips and filters are fully washable. For cleaning the filter, use warm water only. The ear tips may be cleaned with warm water and a mild soap. Please read the instruction manual carefully how to insert the filters back into the ear tip.
The normal sound level of a bedroom is typically 40 dB. This means that any sound, regardless how small, quickly becomes extremely intrusive. Although the main purpose of the Crescendo Sleep is to reduce the sound of snoring to acceptable levels, during the development of this product we did also consider all other noises which cover the whole human hearing frequency range. This includes the sounds heard when sleeping whilst travelling.
To us. the key points a true sleeping plug must deliver on are:
Even though loud snoring and an alarm could potentially have the same dB level, due to the way that the Crescendo Sleep filters sound, the kHz (pitch) of the alarm attenuates at a different rate than someone’s snores. This results in the snoring is reduced at a much higher rate than an alarm would be, giving the user a stress-free night’s sleep.
If you are not entirely satisfied with the Crescendo Sleep, we can also offer a full block filter. However, this would not be as comfortable when worn for long periods of time due to no air entering the ear, the same problem found with other total block type solutions such as foam, malleable wax etc. These products totally block the ear causing it to ‘heat’ and irritate during the night. Therefore, we cannot recommend our Crescendo sleep filters enough!
Our Crescendo Fly earplugs come with filters that contain a membrane that provides slow changes in pressure; hence the pain often encountered during takeoff and landing is reduced (when the earplugs are inserted correctly).
Fit the earplugs prior to takeoff. The preferred method is to keep the plugs in the ears for the duration of the flight, this will reduce the background noise such as air conditioning, engine noise whilst allowing speech to come through. You probably experience that understanding conversation is easier with the Fly earplugs.
Crescendo earplugs are made from medical grade TPE (unlike competitor products made from silicone) and have been independently tested and approved for high comfort levels with 12 hours continuous use.
Our products are globally distributed through an extensive network of partners.
Please leave us a message through our Customer Service contact form and we will put you in contact with our nearest Crescendo Hearing Protection dealer.
Unfortunately, our Crescendo products are no longer available through this website.
Please leave us a message through our Customer Service contact form and we will put you in contact with a Crescendo Hearing Protection distributor closest to your location.
You can contact us by visiting our Customer Service page and leave us a message through the contact form.
You can contact us by visiting our Customer Service page and leave us a message through the contact form.
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