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Guangzhou Weijie Electric Co., Ltd. - nr-audio.com

    http://www.nr-audio.com/en/
    Guangzhou Weijie Electronic Co., Ltd (NR Audio Co., Ltd) was established in 1997. It manufactures professional loudspeaker. We are a modern enterprise which gathers best R&D, manufacturing and sales ability. Our factoryis very close to the Guangzhou Baiyun International Airport. There is just about 2kms from our factory to the Airport.

NRAudio - Audio a la Medida

    http://nraudio.com/
    NRAudio - Audio a la Medida. Amplificadores. ... Disponemos de una extensa gama de diseños propios. Nuestros diseños, caracterizados por la alianza de tecnologías clásicas y modernas, permiten a las válvulas trabajar en régimen óptimo, lo que alarga la vida útil de las válvulas y asegura la estabilidad de los circuitos.

NR - the Noise Rating Curve - Engineering ToolBox

    https://www.engineeringtoolbox.com/nr-noise-rating-d_60.html
    The noise rating graphs for different sound pressure levels are plotted at acceptable sound pressure levels at different frequencies. Acceptable sound pressure level vary with the room and the use of it. Different curves are obtained for each type of use. Each curve is …

Naxa Electronics Portable Home Audio Radio,Black (NR …

    https://www.amazon.com/Electronics-Portable-Audio-NR-720-BK/dp/B009AAOXP4
    Naxa Electronics Portable Home Audio Radio,Black (NR-720 BK), Accessory. Visit the Naxa Electronics Store. 3.7 out of 5 stars. 55 ratings. $9.99. $9.99. Get Fast, Free Shipping with Amazon Prime. & FREE Returns. Return this item for free.

Naxa Electronics Portable Home Audio Radio,Black (NR …

    https://www.amazon.com/Electronics-Portable-Audio-NR-721-BK/dp/B00E8491KE
    This item: Naxa Electronics Portable Home Audio Radio,Black (NR-721 BK) $9.70. Only 16 left in stock (more on the way). Ships from and sold by Amazon.com. FREE Shipping on …

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