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PA4000 Noise Buster Electronic Noise Canceling Safety Earmuff
PA4000 Noise Buster Electronic Noise Canceling Safety Earmuff

Our Price: $167.50 Each

Product Code: PA4000

A new innovation in safety protection, the NoiseBuster® Electronic Noise Canceling Safety Earmuff combines superior passive hearing protection with the most advanced electronic noise cancellation ("ENC") technology. The NoiseBuster ENC Earmuff is specifically designed for the industrial worker. It is also an excellent choice for do-it-yourself users of lawnmowers and power tools, as well as for motor sports fans when used in conjunction with scanners. You can also listen to your portable audio player while wearing your NoiseBuster ENC Earmuff. The product delivers up to 20dB of ENC and has a passive Noise Reduction Rating (NRR) of 26dB (over-the-head). Get the highest-performing hearing protector available -- at an unbelievably low price! Includes: • NoiseBuster safety earmuff • Over-the-head strap • AA battery • 3.5 mm audio interface cable What is Electronic Noise Cancellation (ENC)? NoiseBuster ENC Earmuff uses a microphone inside the ear cup (1) to listen to noise coming into the ear (2). Using electronics (3), the system takes that information and uses it to create a noise wave that is identical to, but directly opposite of, the one coming into the ear. The "anti-noise" wave is output through a speaker (4), also located in the ear cup. When the two waves (the noise wave and the anti-noise wave) meet, the noise is significantly reduced (5). ENC Protection ENC is the most effective defense against low frequency noise. Low frequency noise consists of powerful sound waves that can travel great distances and cannot be absorbed by conventional passive materials. Noises generated by engines, fans, motors and other similar devices are typically dominated by low frequencies--frequencies that cannot be stopped by passive earmuffs. In addition to the detrimental effect it has on hearing, low-frequency noise creates another, perhaps even more serious effect. Because low-frequency noise masks speech, it is difficult for a person to hear and comprehend speech and warning signals when exposed to such noise. Passive Protection The passive component of the NoiseBuster ENC Earmuff provides superior attenuation of mid- and high-frequency noise. Benefits Hearing protection: Experience noise reduction across the full range of frequencies Safety: Critical speech communications are heard more clearly Usability: Listen to music or radio communications at lower, less damaging volumes Wearability: Over-the-head or behind-the-head in a single style Durability: Tough ABS plastic molded earmuff and headband Comfort: Soft, pliable cushions and adjustable headband 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 • Plastic-molded adjustable non-conductive headband • Resistant to water and moisture, contaminants, mechanical shock and vibration • Warranty - 6 Months Electronic and Passive Noise Cancellation ENC performance range: Between 20Hz and 800Hz ENC attenuation: 20dB between 100 - 200Hz, 0dB crossover at 20Hz and 800Hz Passive attenuation: NRR 26dB / CSA Class A (over-the-head) NRR 25dB / CSA Class B (behind-the-head) Specifications Storage temperature: -40C to +85C Operating temperature: 0C to +55C Audio cable length: 50cm (20 inches) Power: one AA battery

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