Sennheiser SK 100 G4 Wireless Bodypack Transmitter

Designed for consistently reliable audio, the Sennheiser SK 100 G4 wireless bodypack transmitter is built tough for daily onstage use.

This robust bodypack transmitter is designed for daily use on stage with Sennheiser Evolution Wireless G4 100 G4 systems.


- Robust bodypack transmitter for daily use on stage
- Easy and flexible wireless synchronization between transmitter and receiver via infrared
- Fast frequency allocation for up to 12 receivers via linking functionality
- Up to 20 compatible channels
- Up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range
- Transmission Range: up to 100 meters/300 feet
- High RF output power (up to 30 mW) depending on country regulations
WARNING: Cancer and Reproductive Harm -

- Dimensions: Approx. 82 x 64 x 24 mm
- Compander: Sennheiser HDX
- THD, total harmonic distortion: 0.9 %
- Weight: (incl. batteries) approx. 160 g
- Signal-to-noise ratio: 110 dBA
- RF output power: Max. 30 mW
- Switching bandwidth: up to 42 MHz
- Peak deviation: 48 kHz
- Nominal deviation: 24 kHz
- Operating time: Typically 8 h
- Modulation: Wideband FM
- Power supply: 2 AA batteries, 1.5 V or BA 2015 accupack
- Current consumption:
- at nominal voltage: typ. 180 mA
- with transmitter switched off: 25 A
- Input impedance: 40 k, unbalanced / 1M
- Max. Input voltage: 3 Veff
- Powering: 3 V battery / 2.4 V rechargeable battery
- Transmission frequency: Max. 1680 transmitting frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 12 factory-preset channels, no intermodulation 1 frequency bank with up to 12 programmable channels
- AF frequency response:
Mic: 80 18,000 Hz
Line: 25 18,000 Hz
- Temperature Range: -10 C to +55 C
- Frequency stability: 15 ppm
Dimensions and Weight in Packaging
Band A
Shipping Weight: 0.75 lbs
Shipping Dimensions: 14 x 3 x 3 in
Manufacturer Part Number (MPN): 509501
Band A1
Shipping Weight: 0.75 lbs
Shipping Dimensions: 14 x 3 x 3 in
Manufacturer Part Number (MPN): 509500
Band G
Shipping Weight: 0.75 lbs
Shipping Dimensions: 14 x 3 x 3 in
Manufacturer Part Number (MPN): 509502

Consumer Alert

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC's wireless microphone website at

NOTE: None of the wireless systems we carry are capable of violating the FCC guidelines stated above. We are presenting this information as a matter of legally required disclosure.

For support or warranty questions, please contact the manufacturer:
Phone: 877-736-6434

Band A

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