The Sennheiser A1031-U is a professional passive omni-directional wideband antenna designed for wireless microphone and in-ear monitoring systems. Built for use with Sennheiser Evolution Wireless systems, the A1031-U improves RF coverage and signal reliability across large venues, touring productions, theatres, and corporate AV environments.
Key Features
Professional passive omni-directional antenna
Designed for:Wireless microphone systems
In-ear monitoring systems
RF distribution systems
Theatre productions
Corporate AV
Touring and live events
Compatible with Sennheiser Evolution Wireless systems
RF Performance
Wideband frequency range: 450 – 960 MHz
Suitable for both RF transmission and reception
Omni-directional coverage pattern for broad signal distribution
Improves wireless coverage and signal consistency compared to standard whip antennas
System Benefits
Helps improve:Wireless operating range
RF stability
Signal reliability
Ideal for large venues and complex RF environments
Reduces dead spots and improves overall wireless system performance when properly deployed
Design & Installation
Passive antenna design requiring no external power
Compact and durable construction for professional use
Suitable for fixed installations and touring applications
Easy integration with antenna distribution systems and wireless racks
Applications
Theatre and musical productions
Concert touring
Corporate AV systems
Houses of worship
Broadcast environments
Large-scale wireless microphone deployments
Professional RF management systems
Technical Specifications
Product Type: Passive omni-directional antenna
Frequency Range: 450 – 960 MHz
Suitable for transmission and reception applications
Why Use the A1031-U
Expanded RF coverage for wireless systems
Reliable omni-directional signal performance
Professional solution for complex wireless setups
Ideal for improving wireless microphone and IEM reliability in demanding live production environments

