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EBN09 Bone-conduction headset

Helmet accessories for various DMR and TETRA radios.

    Product description

    The bone-conduction earpiece EBN09 was specifically designed for wearing in helmets and for use in hazardous environments. The EBN09 provides a clear speech quality and noise suppression.

    Large PTT button

    The large red PTT button ensures convenient operation and is protected from dust and moisture in accordance with IP55.

    Nexus audio plug

    The PTT button has a standard nexus audio plug that can then be plugged in after the helmet is put on.

    Application areas

    For users such as fire departments or mineworkers that have to wear helmets and masks when carrying out their duties.


    Technical data

    General Properties

    Protection against dust and moisture



    76 x 17 mm

    Weight (without clip)
    Cable lengths
    • Radio connection to microphone / PTT button: 50 cm (75 cm, if stretched)
    • Headset cable: 30 cm (50 cm, if stretched)

    Microphone properties


    -45 dB @ 1 kHz 1 v/G

    Speaker properties


    82 ± 2 dB @ 1kHz (single part, 0.2 W / 0, 5 m)


    200 mW (nominal) / 500 mW (max)

    Speaker impedance

    32 Ω ± 15% @ 1 kHz

    Features marked with * are available in future versions of the product.

    All technical data were tested according to the respective standards. Due to continuing development, technical changes are reserved.

    Scope of delivery

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