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XSW 1-835-C


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


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

Technical Data



Power supply

Receiver: 12 V DC nom. / 300 mA


approx. 340g

AF frequency response

Receiver: 50 to 16,000 Hz (–3 dB) 




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



approx. 200 x 42 x 127 mm

Pick-up pattern


Input sensitivity

1.5 mV / Pa 

Frequency response

50 to 16,000 Hz (–3 dB)

THD, total harmonic distortion

≤ 0.9%

Signal-to-noise ratio

≥ 103 dBA 

RF output power

10 mW


8 frequency banks, each with up to 12 factory-preset channels

Frequency range

A: 548-572 MHz, GB: 606-630 MHz, B: 614-638 MHz, C: 766-790 MHz, D: 794-806 MHz, E: 821-832 MHz, 863-865 MHz, K: 925-937.5 MHz 


< 3 μV at 52 dB(A)rms S/N


2.4 GHz, Low Power OQPSK (only active during synchronization) 

Adjustment Range Transmitter

0 to -30 dB, adjustable in 10 dB steps

Audio adjustment range

40 dB, adjustable in 5-dB steps 

Line / Mic level

20 dB, switchable

Temperature Range

operation: 0°C to +40°C, storage: –20°C to +70°C

Receiver Principle

double superheterodyne 

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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