What is the transmission range of the SR IEM G4?

The transmitter provides a high-performance wireless range of up to 100 metres or 300 feet. This makes it suitable for large stage environments and touring applications.

What type of enclosure does the transmitter use?

The unit is housed in a robust, full-metal half-rack enclosure. This design is intended to withstand the rigours of professional touring and frequent rack mounting.

How many channels can be used simultaneously?

The SR IEM G4 features flexible frequency allocation and is compatible with up to 16 channels. This allows for multiple independent monitor mixes to be transmitted at once.

Does it include rack mounting hardware?

Yes, the transmitter comes complete with a GA 3 rackmount set. This enables the half-rack unit to be easily and securely mounted within a standard 19-inch rack case.

What type of display does the unit have?

It features a vibrant OLED display. This technology provides high contrast and visibility, which is essential for reading settings in dark stage environments.

Can the transmitter be controlled via software?

Yes, it offers complete compatibility with Sennheiser's WSM (Wireless Systems Manager) control software. This allows for advanced frequency management and remote monitoring.

What antenna connection does it use?

The transmitter is equipped with a 50 Ohm BNC antenna connector. A standard rod antenna is included in the package for immediate use.

Is the SR IEM G4 compatible with other headphones?

While it transmits to a beltpack receiver, the resulting audio can be monitored using various high-quality earphones, such as the Etymotic ER2-SE or Sennheiser HD 25 models.

What is the typical price for this transmitter?

The Sennheiser SR IEM G4 is typically priced around £482. This reflects its status as a professional-grade piece of wireless audio hardware.

What does 'GB Band' refer to?

The GB band refers to the specific range of radio frequencies the unit is designed to operate within. This is essential for ensuring legal compliance and avoiding interference in specific regions.

Does it support stereo transmission?

Yes, as indicated by its name, the SR IEM G4 is a stereo transmitter. It allows for a full stereo image to be sent to the performer's in-ear monitors.

Is the transmitter suitable for stationary studio use?

While designed for stage mobility, its half-rack design and WSM software compatibility make it an excellent choice for studio installations where wireless monitoring is required.

Gear article

Sennheiser SR IEM G4 Stereo Transmitter

The Sennheiser SR IEM G4 is a professional-grade wireless stereo transmitter designed for in-ear monitoring systems. Housed in a robust half-rack metal enclosure, it offers a transmission range of up to 100 metres and supports up to 16 compatible channels for stage and studio use.

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Overview and Design

The Sennheiser SR IEM G4 serves as the central hub for the Evolution Wireless G4 in-ear monitoring series. It is engineered with a rugged, full-metal chassis that conforms to the half-rack standard, making it ideal for mobile touring rigs or permanent installations. A standout physical feature is the high-contrast OLED display, which provides clear visibility of essential parameters even in low-light environments typical of live stages.

The unit comes bundled with a GA 3 rackmount kit, allowing for secure installation alongside other professional audio equipment. Connectivity is facilitated through a standard 50 Ohm BNC antenna connector, ensuring compatibility with a wide range of external antenna distribution systems.

Operational Features

This transmitter is designed for versatility and high-density channel counts. It supports flexible frequency allocation and can manage up to 16 simultaneous channels, allowing for complex monitor mixes for large ensembles.

Integration with the Sennheiser Wireless Systems Manager (WSM) software allows for remote control and advanced frequency coordination. This software connectivity is crucial for professional sound engineers who need to monitor RF signals and adjust settings across multiple units from a single computer interface.

Performance and Range

The SR IEM G4 provides a reliable transmission range of up to 100 metres (approximately 300 feet), which is sufficient for most festival stages, theatres, and large houses of worship. The stereo transmission ensures that performers receive a spatialised monitor mix, which can aid in pitch accuracy and reduce overall stage volume. The unit operates within specific frequency bands, such as the GB band, to ensure compliance with local radio frequency regulations.

Compatibility and Alternatives

While the SR IEM G4 is the primary transmitter for Sennheiser's G4 ecosystem, it is often used in conjunction with high-fidelity monitoring hardware. Professionals frequently pair this system with industry-standard monitoring tools like the Etymotic ER2-SE Studio Edition earphones for precise frequency response.

In terms of rack infrastructure, the unit is compatible with various mounting solutions, including the LD Systems UIEMRK kit for mixed-brand racks. While other headphone options like the Sennheiser HD 25 or Sony MDR-7506 are standard for stationary monitoring, the SR IEM G4 is purpose-built to facilitate the mobility required by wireless performers.

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Frequently asked questions

What is the transmission range of the SR IEM G4?: The transmitter provides a high-performance wireless range of up to 100 metres or 300 feet. This makes it suitable for large stage environments and touring applications.
What type of enclosure does the transmitter use?: The unit is housed in a robust, full-metal half-rack enclosure. This design is intended to withstand the rigours of professional touring and frequent rack mounting.
How many channels can be used simultaneously?: The SR IEM G4 features flexible frequency allocation and is compatible with up to 16 channels. This allows for multiple independent monitor mixes to be transmitted at once.
Does it include rack mounting hardware?: Yes, the transmitter comes complete with a GA 3 rackmount set. This enables the half-rack unit to be easily and securely mounted within a standard 19-inch rack case.
What type of display does the unit have?: It features a vibrant OLED display. This technology provides high contrast and visibility, which is essential for reading settings in dark stage environments.
Can the transmitter be controlled via software?: Yes, it offers complete compatibility with Sennheiser's WSM (Wireless Systems Manager) control software. This allows for advanced frequency management and remote monitoring.
What antenna connection does it use?: The transmitter is equipped with a 50 Ohm BNC antenna connector. A standard rod antenna is included in the package for immediate use.
Is the SR IEM G4 compatible with other headphones?: While it transmits to a beltpack receiver, the resulting audio can be monitored using various high-quality earphones, such as the Etymotic ER2-SE or Sennheiser HD 25 models.
What is the typical price for this transmitter?: The Sennheiser SR IEM G4 is typically priced around £482. This reflects its status as a professional-grade piece of wireless audio hardware.
What does 'GB Band' refer to?: The GB band refers to the specific range of radio frequencies the unit is designed to operate within. This is essential for ensuring legal compliance and avoiding interference in specific regions.
Does it support stereo transmission?: Yes, as indicated by its name, the SR IEM G4 is a stereo transmitter. It allows for a full stereo image to be sent to the performer's in-ear monitors.
Is the transmitter suitable for stationary studio use?: While designed for stage mobility, its half-rack design and WSM software compatibility make it an excellent choice for studio installations where wireless monitoring is required.