Sennheiser SR IEM G4-A — Wireless IEM Stereo Transmitter
SR IEM G4-A Overview
The Sennheiser SR IEM G4-A is a rack-mountable wireless stereo transmitter built for professional in-ear monitoring in live sound environments. Part of Sennheiser’s established Evolution Wireless G4 series, it delivers dependable RF performance and full monitoring control for touring engineers, system integrators, and houses of worship. The G4-A is designed for demanding stage environments where consistent signal integrity and ease of frequency management are essential. It is well suited for audio engineers, touring companies, and installed venue applications requiring scalable IEM infrastructure.
The SR IEM G4-A integrates into existing G4 ecosystem workflows, supporting straightforward frequency coordination and system expansion alongside compatible G4 bodypack receivers.
Key Features
- Evolution Wireless G4 Platform — Part of Sennheiser’s proven G4 series, ensuring compatibility with G4 IEM bodypack receivers and established system architecture
- Stereo Transmission — Delivers full stereo IEM signal to performers, supporting discrete left/right monitor mixes
- Live Sound Optimized — Engineered for the reliability and clarity demands of professional live performance and touring environments
- Rack-Mount Form Factor — Designed for integration into standard rack systems, supporting clean front-of-house and monitor world installations
- Full System Control — Provides monitoring signal management at the transmitter level, giving engineers direct control over the IEM feed
- Scalable IEM Infrastructure — Supports multi-channel IEM deployments when used alongside additional G4 transmitters and receivers

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