Sennheiser SK9000
9000 Series Body Pack Transmitter

OUR PART #:  SK9000

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A powerful companion on every stage setting or outdoor application: this lightweight digital bodypack transmitter ensures a reliable sound transmission even under the toughest conditions. The SK 9000 is compatible with 3-Pin lemo connector for lavalier microphones and instruments with an optional adapter cable.

The housing of the SK 9000 is made of die cast magnesium to offer maximum robustness at a very low weight. Ease of use and safety against unwanted changes were the criteria for the design of the user interface. This is achieved by the icon-based menu structure and infrared synchronization with the receiver. Exchangeable energy packs with environment-friendly Lithium Ion technology supply the required energy while saving thousands of batteries over time.


  • Flexible use for a broad variety of audio sources
  • 3-pin Lemo connector for lavalier microphones, guitars and instruments
  • Robust and lightweight – easy to conceal in a costume
  • Bodypack transmitter with magnesium housing


  • Dimensions: 2.99" x 2.44" x  0.79" L x W x D (with rechargeable battery pack BA 61 - not included)  
  • Weight:  approx. 147 g (with rechargeable battery pack BA 61 (not included) and belt clip)  
  • Audio input:  3-pin socket  
  • Power consumption:  max. 960 mW  
  • RF output power:
      -  Mode HD: 10 mW rms, 50 mW peak  
      -  Mode LR: 25 mW rms, 50 mW peak  
  • Switching bandwidth:  88 MHz  
  • Operating time:  6.5 h with rechargeable battery pack BA 61  
  • Modulation:
      -  Mode HD: uncompressed audio  
      -  Mode LR: SeDAC (Sennheiser Digital Audio Codec)  
  • Power supply:
      -  B 61: Primary cells, Type AA  
      -  BA 61Rechargeable battery pack  
  • Antenna connector:  Coaxial  
  • Gain:
      -  Mic: adjustable in 3 dB steps from 0 dB to +42 dB  
      -  Instrument: adjustable in 3 dB steps from -6 dB to +9 dB  
      -  Line: -6 dB  
  • Frequency range:
      -  SK 9000 A1-A4: 470-558 MHz  
      -  SK 9000 A5-A8: 550-638 MHz  
      -  SK 9000 B1-B4: 630-718 MHz  
      -  SK 9000 B5-B8: 710-798 MHz  
  • Input impedance:
      -  Mic: 22 kOhm  
      -  Instrument/Line: 1 MOhm

What's Included:

  • 1 SK 9000
  • 1 Supplement "Framework requirements and restrictions on frequency usage"
  • 1 Instruction manual

Consumer Alert

This particular wireless microphone device operates in portions of the 617-652 MHz or 663-698 MHz frequencies. Beginning in 2017, these frequencies are being transitioned by the Federal Communications Commission (FCC) to the 600 MHz service to meet increasing demand for wireless broadband services. Users of this device must cease operating on these frequencies no later than July 13, 2020. In addition, users of this device may be required to cease operations earlier than that date if their operations could cause harmful interference to a 600 MHz service licensee’s wireless operations on these frequencies. For more information, visit the FCC’s wireless microphone website at or call the FCC at 1- 888-CALL-FCC (TTY: 1-888-TELL-FCC).

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