Shure AD2/B58 Digital Handheld Wireless Microphone Transmitter with Beta 58A Capsule (G57, K54, X55)

Shure AD2/B58 Digital Handheld Wireless Microphone Transmitter with Beta 58A Capsule (G57, K54, X55) Frequency: AD2/B58=-G57 - 470-616 MHZ AD2/B58=-K54 - 606-663 MHZ AD2/B58=-X55 - 941-960 MHZ Shure AD2/B58 is professionally designed capable of delivering an impeccable audio quality and RF performance that comes along with wide-tuning, High Density mode, and encryption. It is made featuring a durable metal construction, rechargeable power that comes with dockable charging and black finish. The AD2/B58 is created as a handheld wireless microphone transmitter that's compatible for use along with Axient® Digital Wireless Systems. Boasting about its breakthrough RF performance and wide tuning up to 184 MHz, the AD2/B58 is possible to put professional-quality wireless digital audio within reach. Note: During purchase of separate wireless components, please carefully match their frequency bands for ensuring the proper system operation. FEATURES Works with Axient® Digital Wireless Systems Features the BETA 58A® 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 Includes AD2/B58, microphone clip, zipper bag, 2 AA batteries, and user guide Two transmission modes: Standard for optimal coverage and new High Density for maximum system channel count and robust coverage Rugged metal construction in black 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 Specifications Wireless Technology Digital UHF RF Frequency Band 417 to 616 MHz RF Bandwidth 146 MHz Frequency Step Size 25 kHz Max Operating Range 328.1' / 100 m (Line of Sight) Latency 2 to 2.9 ms (Selectable) Encryption AES 256 Modulation Proprietary Transmitter Transmitter Type Handheld RF Output Power 2 / 10 / 35 mW Audio I/O None Muting Mute Switch Audio Input Level 145 dB Gain Range -12 to +21 dB (3 dB Steps) Sync Method IR Antenna 1 x Internal Single-Band Helical (Handheld) Power Requirements Battery Battery Type 2 x AA (Included)1 x Shure SB900A (Not Included, Replaceable) Approx. Battery Life Med.:8 Hours (Alkaline)Med.:9 Hours (Lithium Shure SB900A) Display & Indicators 1 x LCD (Battery Status, Channel, Group, Signal Strength) Housing Aluminum Operating Temperature 0 to 122°F / -17 to 50°C Storage Temperature -20 to 165°F / -28 to 73°C Dimensions 2 x 10.1" / 51 x 256 mm Weight 12 oz / 340 g (without Batteries) Microphone Microphone Type Handheld Capsule Sound Field Mono Capsule Dynamic Polar Pattern Supercardioid Frequency Range 50 Hz to 16 kHz Sensitivity -51.5 dBV/Pa at 1 kHz