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SKU: SEN-509503

Sennheiser SK 100 G4-B

R 7,995.95
Tax included Shipping calculated at checkout.

Here is the updated layout for the Sennheiser SK 100 G4-B. This version uses standard, plain Markdown text and removes all mathematical font formatting to ensure it copies and pastes cleanly without any display errors.

Sennheiser SK 100 G4-B Wireless Bodypack Transmitter

The Sennheiser SK 100 G4-B is a professional, rugged wireless bodypack transmitter operating in the B-Band (626 - 668 MHz) frequency spectrum. As a core element of the industry-standard evolution wireless G4 (ew 100 G4) series, this bodypack is designed for daily use by videographers, field recordists, public speakers, and theater performers.

It serves as the master transmitter to broadcast high-fidelity microphone or line-level audio back to a matching EW G4 receiver (such as the camera-mountable EK 100 G4 or the rackmount EM 100 G4).

Key System Performance and RF Attributes

  • Robust Multi-Channel Tracking: Operating in the professional UHF range, the SK 100 G4-B features up to 1,680 selectable frequencies fully tunable across a wide 42 MHz switching bandwidth. It includes an intermodulation-free bank system pre-configured with up to 12 compatible factory presets for seamless, multi-transmitter configurations.

  • Versatile Mic/Line Input Node: The unit is equipped with a locking 3.5 mm jack input. It accepts both low-voltage electret condenser microphones (like the ME 2-II lavalier or ME 3-II headset) and high-level line inputs (such as external audio mixers or electronic instruments) via switchable matching circuitry.

  • Instant Infrared Synchronization: Frequency allocation is quick and seamless. Once an open, clean channel is identified on the companion receiver via its scanning tool, the channel configuration is mirrored to the SK 100 G4 bodypack wirelessly using a built-in infrared (IR) synchronization node.

  • Enhanced Acoustic Definition: The internal audio path incorporates Sennheiser’s signature HDX Compander system. This technology widebands the signal dynamically to maximize the signal-to-noise ratio (110 dBA typical), virtually eliminating background RF hiss while retaining pristine vocal nuance.

Technical Specifications Matrix

Feature Parameter Hardware Specification Profile
Model Reference Name SK 100 G4-B
Official Article Reference 507933 / 507589 (Global variants)
RF Frequency Band B-Band (626.000 - 668.000 MHz)
RF Output Power Maximum 30 mW (at 50 Ohms)
Audio Frequency Response Microphone: 80 Hz to 18 kHz / Line: 25 Hz to 18 kHz
Total Harmonic Distortion (THD) Less than or equal to 0.9%
Audio Input Terminal 3.5 mm (1/8") TRS Locking Jack (Unbalanced)
Input Impedance Profile 40 kOhms (Microphone mode) / 1 MOhms (Line mode)
Power Supply Configuration 2 x AA 1.5 V batteries or optional BA 2015 Accupack
Typical Continuous Run-Time Approximately 8 Hours (Alkaline cells)
Chassis Physical Dimensions Approx. 82 x 64 x 24 mm
Net Weight (with Batteries) Approx. 160 grams

Audio Input Connection Map

Tip Pin Target Ring Pin Target Sleeve Target
Microphone Signal Input (+) Line-Level Signal Input (+) Common System Ground (-)

Deployment and Battery Optimization Advice

Lock the Connector Ring Tight: The 3.5 mm input socket is explicitly engineered with an integrated threaded collar. When plugging in your lavalier microphone or instrument cable, always spin the cable's threaded collar lock completely down clockwise until it is flush. Leaving it loose causes friction crackles, dropouts, or accidental disconnects when the talent moves on stage.

Deploy the Local Lock-Out Feature: To prevent a presenter or actor from accidentally powering off the transmitter mid-broadcast or changing the gain structure via the front-panel control buttons, activate the system's Auto-Lock parameter in the internal software menu. When active, the user interface remains safely frozen until a designated button combination is intentionally pressed by a technician.

Sennheiser

Sennheiser SK 100 G4-B

R 7,995.95

Here is the updated layout for the Sennheiser SK 100 G4-B. This version uses standard, plain Markdown text and removes all mathematical font formatting to ensure it copies and pastes cleanly without any display errors.

Sennheiser SK 100 G4-B Wireless Bodypack Transmitter

The Sennheiser SK 100 G4-B is a professional, rugged wireless bodypack transmitter operating in the B-Band (626 - 668 MHz) frequency spectrum. As a core element of the industry-standard evolution wireless G4 (ew 100 G4) series, this bodypack is designed for daily use by videographers, field recordists, public speakers, and theater performers.

It serves as the master transmitter to broadcast high-fidelity microphone or line-level audio back to a matching EW G4 receiver (such as the camera-mountable EK 100 G4 or the rackmount EM 100 G4).

Key System Performance and RF Attributes

  • Robust Multi-Channel Tracking: Operating in the professional UHF range, the SK 100 G4-B features up to 1,680 selectable frequencies fully tunable across a wide 42 MHz switching bandwidth. It includes an intermodulation-free bank system pre-configured with up to 12 compatible factory presets for seamless, multi-transmitter configurations.

  • Versatile Mic/Line Input Node: The unit is equipped with a locking 3.5 mm jack input. It accepts both low-voltage electret condenser microphones (like the ME 2-II lavalier or ME 3-II headset) and high-level line inputs (such as external audio mixers or electronic instruments) via switchable matching circuitry.

  • Instant Infrared Synchronization: Frequency allocation is quick and seamless. Once an open, clean channel is identified on the companion receiver via its scanning tool, the channel configuration is mirrored to the SK 100 G4 bodypack wirelessly using a built-in infrared (IR) synchronization node.

  • Enhanced Acoustic Definition: The internal audio path incorporates Sennheiser’s signature HDX Compander system. This technology widebands the signal dynamically to maximize the signal-to-noise ratio (110 dBA typical), virtually eliminating background RF hiss while retaining pristine vocal nuance.

Technical Specifications Matrix

Feature Parameter Hardware Specification Profile
Model Reference Name SK 100 G4-B
Official Article Reference 507933 / 507589 (Global variants)
RF Frequency Band B-Band (626.000 - 668.000 MHz)
RF Output Power Maximum 30 mW (at 50 Ohms)
Audio Frequency Response Microphone: 80 Hz to 18 kHz / Line: 25 Hz to 18 kHz
Total Harmonic Distortion (THD) Less than or equal to 0.9%
Audio Input Terminal 3.5 mm (1/8") TRS Locking Jack (Unbalanced)
Input Impedance Profile 40 kOhms (Microphone mode) / 1 MOhms (Line mode)
Power Supply Configuration 2 x AA 1.5 V batteries or optional BA 2015 Accupack
Typical Continuous Run-Time Approximately 8 Hours (Alkaline cells)
Chassis Physical Dimensions Approx. 82 x 64 x 24 mm
Net Weight (with Batteries) Approx. 160 grams

Audio Input Connection Map

Tip Pin Target Ring Pin Target Sleeve Target
Microphone Signal Input (+) Line-Level Signal Input (+) Common System Ground (-)

Deployment and Battery Optimization Advice

Lock the Connector Ring Tight: The 3.5 mm input socket is explicitly engineered with an integrated threaded collar. When plugging in your lavalier microphone or instrument cable, always spin the cable's threaded collar lock completely down clockwise until it is flush. Leaving it loose causes friction crackles, dropouts, or accidental disconnects when the talent moves on stage.

Deploy the Local Lock-Out Feature: To prevent a presenter or actor from accidentally powering off the transmitter mid-broadcast or changing the gain structure via the front-panel control buttons, activate the system's Auto-Lock parameter in the internal software menu. When active, the user interface remains safely frozen until a designated button combination is intentionally pressed by a technician.

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