Shure QLXD2 Wireless HH KSM9 K51(606-670 MHz)

• 24-Bit digital audio quality • Incredibly efficient RF spectrum usage • Quick syncing with a wireless receiver over IR at the push of a button • Clear, uninterrupted signal over the entire operating range • AES 256-bit encryption for secure transmission • Over 120 dB of dynamic range: no transmitter gain adjustment needed • 1, 10 mW selectable RF output power • Optional Shure SB900 lithium ion rechargeable battery reports remaining runtime in hours and minutes • External charging contacts for docked charging • Backlit LCD with easy to navigate menu and controls • Selectable display mode showing group/channel, frequency, or battery runtime • Rugged metal construction • Frequency and power lockout