NoiseBuster PA4000 Over-the-Head ANR Safety Earmuff
    Close NoiseBuster PA4000 Over-the-Head ANR Safety Earmuff

    Product Features

    • On/off switch and power indicator
    • Stereo input 3.5 mm audio jack
    • Up to 65 hours of use on a single AA battery
    • Adjustable, comfort-fit headband
    • Resistant to water and moisture, contaminants,
    • mechanical shock and vibration

    Product Specifications

    • Passive noise cancellation
      – 26 NRR
      – CSA Class A
      – SLC(80)
      – 29.2 Class 5
    • Active noise cancellation
      – up to 20dB
      – 20Hz to 800Hz frequency range
    • Storage temperature: -40C to +85C
    • Operating temperature: 0C to +55C
    • Audio cable length: 50cm (20 inches)
    • Power: One AA battery



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