Sennheiser SKM 100 G4-a (516 - 558 MHZ)
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Sennheiser
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A Reference in the evolution wireless G4 100 Range
The SKM 100 G4-A is part of the Sennheiser evolution wireless G4 100 ecosystem, designed to offer quick setup and great stability in real-world conditions. The idea is simple: a robust and high-performance handheld transmitter, capable of integrating easily into existing setups (receivers from the same series) while maintaining flexible configuration options appreciated on stage, in conferences, or mobile performances.
An important feature: this transmitter is delivered without a capsule. This allows you to customize your wireless microphone according to your voice, your sound capture style, and your environment (noisy stage, proximity to monitors, needs for precision or warmth, etc.).
Who Is It For and What Are Its Uses?
The Sennheiser SKM 100 G4-A is aimed at singers, speakers, hosts, service providers, and technicians looking for a serious UHF handheld transmitter ready to withstand the demands of live performance: repeated handling, stage changes, managing multiple systems simultaneously, and reliability requirements.
It is particularly relevant if you use (or plan to use) an EM 100 G4 (rack format) or EK 100 G4 (bodypack format) receiver to maintain a consistent signal chain and simplified synchronization. For power, it operates with 2 AA batteries (included) and can also be powered by the BA 2015 rechargeable battery pack (sold separately), convenient for optimizing operating costs during events.
Technical specifications
| Category | transmitter | Nominal mode power consumption (Wh) | 1 W |
| Frequency band | A – 516 à 558 MHz | ||
Questions frequently asked
With which receivers is the SKM 100 G4-A compatible?
It is compatible with the Sennheiser evolution wireless G4 100 systems, including the EM 100 G4 and EK 100 G4 receivers. Settings synchronization is done via infrared with a compatible receiver.
Is the microphone supplied with a capsule?
Delivered without a capsule, this transmitter allows installation of a Sennheiser e 835, e 845, e 865, e 935, or e 945 capsule.
What frequencies does band A use?
Band A covers 516 to 558 MHz, with a swappable bandwidth up to 42 MHz. It offers 20 banks of 12 preset intermodulation-free channels. An additional bank allows programming up to 12 channels.
What is the battery life and what batteries are used for this handheld transmitter?
Power comes from two supplied 1.5 V AA batteries, with a typical battery life of about 8 hours. A Sennheiser BA 2015 rechargeable battery, sold separately, can also be used.
What is the range of the SKM 100 G4-A?
With a maximum RF output power of 30 mW according to national regulations, the transmission range can reach up to 100 meters.



