These digital systems operate in the licence-free 2.4GHz spectrum and are packed with features that deliver the great audio quality Sennheiser is famous for, with rugged reception reliability and a user interface that keeps them extremely simple to use. Everything is automatic, plus there are great DSP fetaures to help you tailor your sound. The complete kit has all you need in a rugged carry case. Rechargeable battery packs are optionally available for all transmitter versions. The D1 systems are manufactured in Germany and the USA. Handheld mic capsules are all made in Germany.


WSR For ew D1

Practical and truly convenient: For music and stage-based work, the WSR app can configure, organize and monitor every details of all ew D1 radio links.


Transmitter Options Include:

  • Hand Held
  • Lapel
  • Headset
  • Guitar Pack

Sennheiser Evolution D1 Radio Microphones

Transmitter Type
    • Dimensions approx. 200 x 42 x 127 mm

    • THD, total harmonic distortion ≤ 0.9%

    • Pick-up pattern cardioid Receivers

    • Weight approx. 340g

    • Power supply Receiver: 12 V DC nom. / 300 mA

    • AF frequency response Receiver: 50 to 16,000 Hz (–3 dB)Microphone

    • Weight approx. 245g

    • Power supply Microphone: 2 AA size batteries, 1.5 V

    • AF frequency response

      SKM 825: 80-14,000 Hz
      SKM 835: 80-16,000 Hz

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