Shure AD2/B87C Handheld Wireless Microphone Transmitter (G57, K54, X55)

Shure AD2/B87C Handheld Wireless Microphone Transmitter (G57, K54, X55) Frequency: AD2/B87C=-G57 AD HH 470-616 MHZ AD2/B87C=-K54 AD HH 606-663 MHZ AD2/B87C=-X55 AD HH 941-960 MHZ Shure AD2/B87C is professiionally designed capable of delivernig an impeccable audio quality and RF performance that comes along with a wide-tuning, High Density mode, and encryption. It comes featuring a durable metal construction, rechargeable power that comes with dockable charging and gorgeous black finish. The AD2/B87C is created as a handheld wireless microphone transmitter that is intended to be compatible for use along with Axient® Digital Wireless Systems. Boasting about its breakthrough RF performance and wide tuning up to 184 MHz, the AD2/B87C is surely capable of putting professional-quality wireless digital audio within reach. Note: During the purchase of separate wireless components, please carefully match their frequency bands for ensuring the proper system operation. Features 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 Condenser Polar Pattern Cardioid Frequency Range 50 Hz to 20 kHz Maximum SPL 139 dB SPL Sensitivity -51 dBV/Pa at 1 kHz Dynamic Range 117 dB