Sennheiser XSW 1-825/XSW 1-835 Wireless System


Raise Your Voice. Easy to use all-in-one wireless system for singers and presenters.


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Raise your voice. Go for XS WIRLESS 1 and rely on a solid wireless transmission with up to 10 compatible channels in a stable UHF band. The XS WIRELESS 1 VOCAL SET is an easy to use all-in-one wireless system for singers and presenters, excellent for live sound featuring Sennheiser’s renowned evolution microphone capsules, e825 (dynamic, cardioid) or e835 (superior dynamic, cardioid) to get started. The set includes an intuitive stationary receiver for quick setup and hassle-free handling, as well as a vocal microphone and microphone clamp.


  • Excellent live sound featuring Sennheiser’s renowned evolution microphone capsules (e825 or e835)
  • Antenna-switching diversity reception
  • Integrated antennas
  • Automatic frequency management and synchronization via remote channel for easy setup
  • Selectable UHF frequencies within a large bandwidth
  • Up to 10 compatible channels

What’s in the box?

  • 1 receiver EM-XSW 1
  • 1 handheld transmitter SKM 825-XSW or SKM 835-XSW
  • 1 microphone clamp MZQ 1
  • 1 power supply NT 12-5 CW
  • 2 AA batteries

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Technical Data

  • Dimensions
    approx. 200 x 42 x 127 mm
  • THD, total harmonic distortion
    ≤ 0.9%
  • Pick-up pattern


  • Weight
    approx. 340g
  • Power supply
    Receiver: 12 V DC nom. / 300 mA
  • AF frequency response
    Receiver: 50 to 16,000 Hz (–3 dB)


  • 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