Sennheiser SK 6212 Stiff Antenna A1 - A4

The Sennheiser ANTENNA A1-A4 is a detachable whip antenna with a threaded coaxial connector. It is compatible with the SK 6212, SK 6000, and SK 9000 digital wireless bodypack transmitters operating in the A1-A4: 470 to 558 MHz frequency range.