Sennheiser EW-D ASA Active Antenna Splitter 470-694 MHz

The Sennheiser EW-D ASA is an active antenna splitter designed for professional wireless systems, operating in the 470-694 MHz frequency range. It enables the connection of up to four EW-D series receivers to a single pair of antennas, simplifying setup and reducing equipment costs. The splitter provides +6 dB RF gain to compensate for signal loss, ensuring reliable transmission even in challenging environments.

Advantages

With its compact 1U half-rack metal housing, the EW-D ASA is rack-mountable and ideal for touring, broadcast, and installed sound applications. It features two BNC antenna inputs and eight BNC outputs (four per antenna), supporting cascading for larger systems. The unit delivers 12 V DC phantom power to active antennas, eliminating the need for separate power supplies.

Suitable for

• Professional audio engineers and system integrators
• Live sound, theater, and broadcast productions
• Installed sound systems in houses of worship, conference centers, and corporate venues
• Users of Sennheiser EW-D series wireless microphone and IEM systems

Key specifications

• Frequency range: 470 - 694 MHz
• Antenna inputs: 2 x BNC (Antenna A, Antenna B)
• Receiver outputs: 8 x BNC (4 x Antenna A, 4 x Antenna B)
• Input/output impedance: 50 Ohms
• RF gain: +6 dB (typical)
• Antenna power output: 12 V DC, 150 mA per input
• Power supply: 12 V DC, 1 A (external PSU)
• Compatibility: Sennheiser EW-D Series Wireless Systems
• Number of receivers supported: Up to 4
• Cascading capability: Yes (via dedicated output)
• Mounting options: Rack-mountable (1U half-rack)
• Housing material: Metal
• Operating temperature: -10 °C to +55 °C
• Connector type: BNC (RF), DC Jack (Power)
• Intermodulation distortion: Low
• Noise figure: Low
• LED indicators: Power, RF Signal
• Power consumption: Max. 12 W

Recommendations

The EW-D ASA is an essential accessory for expanding Sennheiser EW-D systems. Its robust construction and reliable performance make it a top choice for professionals seeking efficient antenna distribution. Pair with Sennheiser active antennas for optimal range and signal integrity.