The Sennheiser AC41 is a professional active antenna combiner designed for multi-channel wireless in-ear monitoring systems. Ideal for live productions, touring, theatre, houses of worship, and corporate AV, the AC41 allows up to four compatible Sennheiser wireless IEM transmitters to share a single antenna system for cleaner RF performance and simplified stage setups.

Key Features

• Professional active antenna combiner

• Designed for:Wireless in-ear monitoring systems
  Theatre productions
  Concert touring
  Corporate AV
  Houses of worship
  Live event production
  

• Compatible with Sennheiser G3 and G4 IEM systems

RF & Antenna Distribution

• Combines up to 4 wireless IEM transmitters into a single antenna system

• Reduces antenna clutter and simplifies rack wiring

• Helps minimise:RF interference
  Intermodulation issues
  Signal conflicts between transmitters
  

• Optimised for reliable multi-channel wireless performance

Integrated Power Distribution

• Supplies power directly to connected transmitters via BNC cables

• Eliminates the need for separate transmitter power supplies

• Streamlines rack setup and reduces cable management complexity

Connectivity

• 4 RF input connections

• 1 RF antenna output

• Designed for use with shared directional or omni-directional transmitting antennas

Included Accessories

• NT3-1 power supply

• 4 x BNC antenna patch cables

Applications

• Wireless IEM rack systems

• Touring audio systems

• Musical theatre productions

• Live bands and festivals

• Broadcast and production environments

• Corporate event audio systems

Benefits for Professional Wireless Systems

• Cleaner and more reliable RF performance

• Faster setup and reduced rack complexity

• Centralised antenna management

• Ideal for scalable multi-channel IEM deployments

Technical Specifications

• Product Type: Active antenna combiner

• Number of Inputs: 4

• Number of Outputs: 1

• Compatible with Sennheiser wireless monitoring systems