Sennheiser SK5212-II
UHF Miniature Bodypack Transmitter


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The SK 5212-II bodypack transmitter combines reliability and diversity in a very small housing. Its compact design makes the transmitter inconspicuous and comfortable to wear. The extended switching bandwidth of up to 184 MHz provides extra flexibility. The transmission power can be adjusted to improve transmission duration while meeting regional regulations. The Low Intermodulation Mode ("LoI") increases interference immunity, especially during multi-channel operation. An input sensitivity range of –30 dB to +40 dB makes the transmitter suitable for use in quiet interview situations as well as with very powerful singing voices in musicals.

Its menu-driven user interface with backlit LCD is remarkably simple and intuitive. With its extensive power spectrum, the low power consumption of the SK 5212-II is particularly impressive: one alkaline manganese battery (Mignon/AA) lasts for at least 5 ½ hours of operation.


  • Up to 184 MHz switching bandwidth
  • Switchable output power
  • Very compact and rugged housing
  • Audio sensitivity adjustable in steps of 1 dB from -30 to +40 dB
  • 1 AA battery for at least 5½ hrs od operating time
  • Frequencies adjustable in steps of 5 kHz
  • Jog dial for increased ease of use
  • Switchable low-cut


  • 1 SK 5212-II bodypack transmitter
  • 1 AA size battery, antennas for different frequency ranges,
  • 1 belt clip
  • 1 instruction manual
  • 1 frequency table


  • RF frequency range: 450 - 866 MHz
  • Switching bandwidth: Up to 184 MHz
  • Number of channels: Frequency bank "FIX" with up to 59 factory-preset frequencies, frequency bank "VAR" with 20 freely selectable frequencies (frequencies tunable in steps of 5 kHz)
  • RF output power: typ. 50 mW (PWR.HI), 10 mW (PWR.LO), 10 mW (PWR.LoI)
  • Compander: HiDyn plus
  • Nominal deviation: +/- 40 kHz
  • Peak deviation: +/- 56 kHz
  • Dynamic range: typ. 110 dB (A)eff
  • THD, total harmonic distortion: < 0,3 %
  • Frequency response (microphone): 60 - 20000 Hz
  • Input voltage range (Bodypack transmitter): 7,75 mV, sensitivity
  • High pass filter: 120 Hz switchable
  • Power supply (Bodypack transmitter): 1 AA battery
  • Current consumption: PWR.LO: approx. 150 mA, PWR.HI: approx. 220mA, PWR.LoI: approx. 220 mA
  • Operating time: PWR.LO: approx. 11h, PWR.HI: approx. 5,5h, PWR.LoI: approx. 5,5 h
  • Connector: AF: 3 pin special audio socket, RF: coaxial socket
  • Operating temperature: -10 ... 55 °C
  • Storage temperature: -25 °C ... +70 °C
  • Dimensions: 53 x 60 x 17 mm
  • Weight: approx. 120g incl. battery and Antenna

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