Sennheiser EW-D ASA 4-way active antenna splitter

The Sennheiser ASA is a professional active antenna splitter designed for use with Evolution Wireless Digital EM receivers. Operating in the 470–694 MHz frequency range, this dual 1:4 splitter allows up to four receivers to share a pair of antennas—ideal for multi-channel wireless microphone setups in stage, corporate, or broadcast environments.

In addition to signal distribution, the ASA also provides DC power distribution, reducing cable clutter and simplifying setup by powering connected receivers from a central location.

Whether you're expanding your wireless system or aiming for a cleaner, more reliable RF environment, the ASA splitter helps streamline your rig with professional-grade performance and compatibility.

Key Features:

• Dual 1:4 active antenna splitter for Evolution Wireless Digital systems

• Operates in the 470–694 MHz frequency range

• Distributes RF signal from 2 antennas to 4 receivers

• Built-in DC power distribution to simplify cabling

• Ideal for fixed installations, stage, broadcast, and touring rigs

• Ensures clean signal routing and reduces antenna count

What’s in the Box:

• 1 x Sennheiser ASA Active Antenna Splitter

• Power supply unit

• RF and power cables for receiver connection

• Mounting hardware and documentation