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EHN21 Earbud with C-clip, separate PTT button

Earpiece for digital radios.

    Product description

    The earpiece set EHN21 consists of a PTT button and a microphone as well as an earbud with C-clip. The earbud can easily be replaced thanks to the 3.5 mm connection. The ergonomic design of the earpiece ensures wearing comfort, even during long periods of use.

    VOX function

    The earpiece supports the VOX function if it is programmed into the radio. It enables the radio to automatically activate voice transmission, so that it is possible to communicate almost completely hands free.

    Supported radios

    This earpiece is designed for operation with the DMR handheld radios of the X1 series and the TETRA radio Z1p.

    Earpiece set

    This set consists of the base set with PTT button and microphone ACN-02 and the earbud with C-clip EH-01.


    Technical data

    General Properties

    Operating temperature

    -20 - 60 ℃

    Protection against dust and moisture


    Speaker properties


    115 ± 3 dB at 1 kHz (monomer)

    Nominal power

    10 mW

    Maximum power

    20 mW

    Speaker impedance

    32 Ω ± 15 % at 1 kHz

    Microphone properties


    -42 ± 3 dB at 1 kHz, 0 dB = 1 V/pa


    ≤ 2.2 kΩ at 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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