Shure AD2/K9B=-K54 AD HH 606-663 MHZ

The Shure AD2/K9B pairs the Axient Digital AD2 handheld transmitter with a KSM9 dual-diaphragm condenser vocal capsule, switchable between cardioid and supercardioid patterns, in a black finish. This version covers the K54 band, 606-663 MHz. It offers wide tuning up to 184 MHz, Standard and High Density modes, encrypted transmission, and a backlit LCD in a rugged metal body. Runs more than 11 hours on a Shure SB900C lithium-ion battery or 8 hours on AA batteries at 10 mW.