Sennheiser SK6212 Compact body worn Transmitter

Ultra-light, digital mini-bodypack for discreet but maximum performance on stages during musicals or theatrical performances and broadcast applications. The metal housing is water and sweat-resistant; the exchangeable battery guarantees 12 hours of continuous operation. State-of-the art transmission technology provides reliable performance and an equidistant frequency grid for highly demanding HF conditions.

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Jamie Brewer
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Sennheiser SK6212 Compact body worn Transmitter


  • Compact, ultra-small design with ergonomically optimized construction (63 x 47 x 20mm)
  • Designed for 12 hours of continuous operation
  • Made with ultra-light robust metal housing weighing only 112 grams
  • Link Density Mode (LD mode) with efficiency-optimized Audio Codec (SePAC) ensures up to 5 channels per MHz bandwidth
  • Superb sound and higher dynamic range thanks to Sennheiser Digital Audio Codec (SeDAC) and long-range mode, also found in the Digital 9000 series
  • Resistant to moisture and sweat
  • Two detachable clips (0°/90°) for secure fit in any position
  • Exchangeable antenna and battery
  • Can be used with a variety of lavalier microphones and headsets
Sennheiser SK6212 Compact body worn Transmitter


  • Dimensions
    approx. 63 × 47 × 20 mm
  • THD, total harmonic distortion
    typ. 0.002%
  • Weight
    Approx. 112 g (with BA 62 battery pack, antenna and beltclip)
  • Audio input
    3-pin audio socket
  • Signal-to-noise ratio
    typ. 113 dB(A)
  • RF output power
    standard mode: 15 mW rms
    low power mode: 3.5 mW rms
  • Switching bandwidth
    up to 88 MHz
  • Operating time
     12 h at 25° C (with BA 62 accupack)
  • Frequency range
    B1-B4 (630.000 – 713.800 MHz)
  • Audio codec
    SeDAC (Sennheiser Digital Audio Codec)
    SePAC (Sennheiser Performance Audio Codec)
  • Frequency stability
    < 5 ppm
  • Tunability
    25 kHz steps
  • Lower cut-off-frequency
    adjustable: 30 Hz, 60 Hz, 80 Hz, 100 Hz, 120 Hz
  • Encryption
    AES 256
  • Audio frequency response
    30 Hz to 20 kHz (-3 dB)
  • Audio Gain
    Mic: adjustable in 3 dB steps from −6 dB to +42 dB
  • Modulation scheme
    Digital modulation Long Range Mode
    Digital modulation Link Density Mode
  • Antenna Output
    Coaxial socket
Sennheiser SK6212 Compact body worn Transmitter