Sennheiser ASA 1 Antenna Distribution
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Product description
Sennheiser ASA 1 is a wideband active UHF antenna distribution system designed to feed multiple wireless microphone receivers from a single pair of antennas while maintaining signal integrity in professional multi‑channel setups.
Ideal for Sennheiser evolution wireless G3/G4‑series systems, the ASA 1 uses integrated RF amplification to eliminate splitter‑related signal loss and provides DC power distribution to connected receivers and inline antenna boosters, reducing external power requirements.
A single ASA 1 supports up to four true‑diversity receivers, and two units can be linked to create an eight‑channel system, making it a proven solution for touring, broadcast, theatre, and fixed installations where clean RF management and simplified antenna infrastructure are essential.
Technical Specifications
– 2 × 1:4 or 1 × 1:8 active antenna distribution (linkable for 8 channels)
– UHF 470–870 MHz (model dependent)
– 0 dB ±1 dB gain (no splitting loss), 50 Ω impedance
– DC supply to receivers and antenna boosters via BNC (NT 1‑1 PSU)
