Digital Earplugs "MM4000"
You can hear the sound while cutting out only the noise! It has an IP54 equivalent dust and water resistance specification, making it strong against rain and dust.
The "MM4000" is a digital earplug that can cut out only environmental sounds. You can still hear necessary sounds even while noise canceling, so you can feel secure. Additionally, it is possible to listen to surrounding sounds while wearing the earplugs in external sound capture mode. When using noise canceling on "strong," it can be continuously used for about 85 hours with one AA alkaline battery. 【Features】 ■ Waterproof and dustproof ■ Battery-operated ■ External sound capture *For more details, please refer to the related links or feel free to contact us.
basic information
【Mechanism for Cancelling Environmental Noise】 ■ A small microphone built into the earphones captures surrounding environmental noise. ■ The noise-cancelling circuit in the main unit generates sound with an inverse phase (inverted). ■ By combining the two waveforms, the noise is cancelled out at the ear. *For more details, please refer to the related links or feel free to contact us.
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Applications/Examples of results
【Usage Scenarios】 ■ During work in a factory ■ While studying ■ During travel on a train ■ While working in an office *For more details, please refer to the related links or feel free to contact us.
