Sennheiser A2003-UHF Wideband Passive Directional Transmitting and Receiving Antenna for Evolution Series Mounts on standard microphone stand Suitable for use as transmitting antenna with Sennheiser SR 300, SR 3054, SR 3056 IEM transmitters Suitable for use with EM 3031-U, EM 3032-U, EM 3532-U, EM 1046-U, EM 1031-U, and all stationary evolution wireless receivers