Elvex Ultra Sonic HB-550


29 dB NRR from certified US laboratory ANSI S3.19-1974
34 dB SNR as tested by certified European laboratory to CE EN-352-1
Superb full spectrum and low frequency attenuation
Extra wide ear cushions for highest comfort

SKU HB-550 Category



Elvex UltraSonic earmuff is our newest high performance earmuff with a Noise Reduction Rating of 29 dB. This earmuff has been designed to provide excellent full spectrum attenuation, as well as superb low frequency attenuation. Ultrasonic uses a fork style headband for even distribution of the pressure, and improved balance required for extra deep ear cups.

Additional information

Weight1 lbs
Dimensions12 × 12 × 6 in


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