Shure AD2/K11 Axient Digital Wireless Handheld Microphone Transmitter

AD2/K11 combines the prized combination of full lows, clear mids and high-end of the KSM11 Cardioid Condenser Microphone with the RF performance with wide-tuning, High Density mode, and encryption of Axient Digital. Features durable metal construction, rechargeable power with dockable charging, and black or nickel finish options.

Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.

Shure AD2/K11 Features

• Works with Axient® Digital Wireless Systems
• Features the KSM11 cartridge
• Offers more than 11 hours of continuous battery life with Shure lithium-ion rechargeable batteries or 8 hours with AA batteries at 10 mW
• Two transmission modes: Standard for optimal coverage and new High Density for maximum system channel count and robust coverage
• Rugged metal construction in black or nickel finish
• Backlit LCD with easy-to-navigate menu and controls
• Low-profile, lockable power switch
• Encryption-enabled, secure transmission
• AA or SB900B lithium-ion rechargeable batteries for convenient power options
• External contacts for docked charging

• AD2/K11 Axient Digital Wireless Handheld Microphone Transmitter1
• WA618 CHARGING CONTACT COVER FOR AD21
• 95B2313 Zipper Bag1
• WA371 Microphone Clip1
• 31A1856 Euro-Threaded Adapter1
• 80B8201 AA Alkaline Batteries2

• Type ElectretCondenser
• Polar Pattern Cardioid
• Freqeuncy Response 50 to 20,000 Hz
• Output Impedance (1 kHz) 250Ω with 5 VDC
• Sensitivity (at 1 kHz, open circuit voltage) –46.5 dBV/Pa
• Maximum SPL (with 5 VDC) 151 dB SPL
• Signal-to-Noise Ratio 71.5 dB
• Dynamic Range (with 5 VDC) 128.5 dB
• Clipping Level (with 5 VDC) 10 dBV
• Self Noise 22.5 dB SPL (typical, equivalent SPL, A-weighted)
• PolarityPositive pressure on diaphragm produces positive voltage into transmitter with respect to ground.
• Power Requirements 5 Volt Bias from Shure Transmitter
• Weight 5.23 oz (150 g)
• Dimensions (Dia × Height) 1.92 × 3.0 in. (48.7 × 76.3 mm)
• Housing Aluminum and steel grille

More about Shure's Axient Digital Series

The Axient® Digital Wireless System from Shure is designed to provide pristine audio clarity, advanced connectivity, scalable hardware, network charging, and premium wireless signal stability—all in a system that gives you precise control while offering optimal convenience of use in professional wireless production. Developed according to the input of top audio professionals, Axient Digital boasts 184 mHz tuning across all receivers and transmitters, up to 47 active transmitters per 6 MHz TV channel, and an industry-leading 2 milliseconds of latency. These features, with flat frequency response, multiple digital audio output options, next-generation digital radio with encryption, and Quadversity and High-Density modes, make the Axient Digital Wireless System a powerhouse for modern broadcast needs no matter how crowded the spectrum environment.

Every component of the Axient Digital Wireless Systems has been stress-tested and fine-tuned for efficiency, durability, and reliability so you get the best results. Choose from a handheld transmitter (the AD2 wireless microphone transmitter) or a bodypack transmitter (AD1, AD1LEMO3, or ADX1), and pair it with a receiver such as the AD4D Dual Channel or AD4Q Quad-Channel. Other members of the Axient Digital series of equipment include the ATX600 Axient Spectrum Manager, the AD610 Diversity ShowLink Access Point, and the SBC-AX Axient Charging Module.

Complex setups, high channel counts, and constrained spectrum are everyday hurdles for today’s major events and tours. Axient Digital was built to tackle these problems head-on to give you ultimate control over professional production and improve every aspect of your workflow. Offering big sound quality for big audiences, this wireless system is the ideal solution for major award shows, halftime performances, music festivals, and even Broadway.

Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.