tested by an independent NVLAP-accredited laboratory and assigned a noise reduction rating (NRR)
SoundChoice Model- 22db NRR features fully adjustable, padded headband and adjustable swivel cups Provides degree of protection required for more than 90 percent of workplace noise hazards and low-level sound environments
SoundDecision Model- 25 db NRR di-electric earmuff with a three-position, padded headband. Weighs 8.7 ounces
SoundOut Model- 28 db NRR features di-electric protection, self-adjusting padded headband, soft foam cushions, and adjustable swivel cups
