The Sennheiser A 1031-U is a passive omnidirectional antenna designed for both transmitting and receiving RF signals within the 450 to 960 MHz frequency range. Built for professional wireless audio systems, it provides reliable wideband performance across various UHF applications.

Ideal for use with Sennheiser G2 series rack-mount receivers and RF distribution amplifiers, the A 1031-U features an omnidirectional pickup pattern that captures signals from all directions. This makes it especially suitable for environments where transmitters are in constant motion or where RF signals originate from multiple positions within a space. Its dependable design ensures stable reception in live sound, broadcast, and installed audio setups.