The Sennheiser EW-D ASA is a professional 4-way active antenna splitter designed for Sennheiser Evolution Wireless Digital systems, including EW-D and EW-DX. Built to optimise multi-channel wireless deployments, the EW-D ASA distributes RF signal and power across multiple receivers using a single antenna pair, helping reduce interference, improve RF stability, and streamline large wireless system installations.
Key Features
Professional 4-way active antenna splitter
Designed for Sennheiser EW-D and EW-DX systems
Optimises multi-channel wireless deployments
Reduces RF interference and noise floor
Power distribution for compatible receivers
Expandable for larger wireless systems
Rugged all-metal construction
Rack mountable design
Includes 8x short BNC patch cables
Includes NT12-35 power supply
Available in multiple frequency range variants depending on region
Designed for Professional Wireless Systems
The EW-D ASA is ideal for:
Theatre productions
Touring systems
Corporate events
Houses of worship
Broadcast environments
School productions
Large live event wireless deployments
By allowing multiple receivers to share a single antenna pair, the system helps:
Simplify antenna infrastructure
Reduce antenna clutter
Improve RF consistency
Minimise interference caused by closely spaced antennas and receivers
Optimised RF Performance
The EW-D ASA is engineered to provide:
Improved RF reliability
Cleaner wireless signal distribution
Lower system noise floor
More stable multi-channel operation
This is particularly important in:
High-channel-count wireless systems
Dense RF environments
Touring productions
Large-scale live events
Multi-System Scalability
The EW-D ASA supports scalable system expansion, allowing multiple units to be linked together for:
Larger receiver counts
Complex wireless installations
Centralised antenna distribution systems
This makes it suitable for:
Professional touring racks
Theatre wireless systems
Multi-room installations
Broadcast RF infrastructure
Integrated Receiver Power Distribution
The included power supply allows the EW-D ASA to distribute power directly to compatible receivers, reducing:
External power supplies
Rack cabling complexity
Setup time
Included:
NT12-35 power supply
8x short BNC patch cables
Note:
EW-DX receivers may require alternative power solutions depending on system configuration.
Rugged Touring Construction
The solid metal chassis is designed for:
Touring reliability
Rental inventory use
Permanent installations
Professional rack integration
Rack mounting is supported with optional mounting hardware.
Ideal Applications
The Sennheiser EW-D ASA is perfect for:
Multi-channel wireless microphone systems
Theatre RF systems
Touring wireless racks
Corporate AV systems
Worship audio systems
Broadcast wireless coordination
Large-scale live productions
Why Choose the Sennheiser EW-D ASA
Professional active antenna distribution system
Designed specifically for Sennheiser Evolution Wireless Digital systems
Reduces interference and improves RF stability
Simplifies large wireless system deployments
Scalable for expanded channel counts
Integrated power distribution for cleaner rack builds
Touring-ready metal construction