... wall panel, as well as punched ACP ceiling panel, featuring noise-absorbing, water-resistance, corrosion-resistance and anti-aging, offer a ... unique NVH mute technology enables a quieter passenger compartment. The noise level is less than 75 decibels in driving area and 65 ...
... color: blue or orangeno brandit can reduce the noise availablyFoam ear plugs are small pieces of soft molded ... is irreversible.Ear plugs are marked with a Noise Reduction Rating (NRR). The NRR is a ... of 29 offer protection by reducing the noise level by 29 decibels.The higher the NRR, the ... order to choose ear plugs with an appropriate noise reduction rating for your desired application. The highest ...
... for crowd control,distancealert,policy advocacy, traffic control etc.Specification:Sound pressure level max :140dB@1mUsable range :Up to 450mEffective dispel distance ...
... hours*Frequency Response:20Hz-20,000Hz*S/N:-82dBFeatures:*Pure digital sound quality and full,strong bass*Efficient lithium batteries,standy time ...
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