The Shure AD2/K8N=-K55 is a high-performance Axient Digital handheld transmitter equipped with the nickel-finished KSM8 dual-diaphragm dynamic capsule, operating in the 606–694 MHz band. The KSM8 delivers natural, controlled vocals with superb off-axis rejection, making it ideal for touring, broadcast, theatre and corporate productions. With exceptional RF stability, low latency and a robust, premium build, it ensures reliable, top-tier wireless performance for demanding professional environments.