Shure BLX24R/B58-H9 Wireless Handheld System with BETA58A Mic

Features of the Shure BLX24R/B58-H9 Wireless Handheld System with BETA58A Mic: For Presenters and Performers Beta 58A Supercardioid Mic/Transmitter Single-Channel Rackmount Receiver 123 Auto-Scan Frequencies Two Removable Antennas with Diversity Adjustable Output Level Rugged Metal Construction 14-Hr AA Batteries Expandable to 12 Mic Channels/300′ Range Specifications: System Wireless Technology Analog UHF Number of RF Channel Frequencies 123 Included Transmitters 1 x Handheld Diversity Antenna Diversity RF Frequency Band H9: 512 to 542 MHz RF Bandwidth 24 MHz RF Channel Scanning Auto-Scan Max Operating Range 300′ / 91.4 m (Line of Sight) Max Transmitters per Band 12 Dynamic Range 100 dBA Receiver Receiver Type Tabletop Mounting Options Rackmount (with Included Hardware) Rackmount Size 1 RU (1/2 Rack) Antenna 2 x 1/4 Wave External, Detachable (Rear-Mount) Number of Audio Channels 1 Audio I/O 1 x XLR 3-Pin Male Balanced Output 1 x 1/4″ TS Female Unbalanced Output Audio Output Level XLR Output: -20.5 dBV (Mic Level) 1/4″ Output: -13 dBV (Instrument Level) Frequency Response 50 Hz to 15 kHz (Dependent on Mic) Impedance XLR Output: 200 Ohms 1/4″ Output: 50 Ohms Adjacent Channel Isolation >50 dB Power Requirements AC/DC Power Adapter AC/DC Power Adapter 12 to 15 VDC at 260 mA, Center-Positive (Included) AC Input Power 110 to 240 VAC, 50 / 60 Hz Display & Indicators 1 x Backlit LCD (AF Level, Channel, Group, Metering, RF Level) 1 x LED (Transmitter Battery Status) Housing Steel Operating Temperature 0 to 135°F / -17 to 57°C Dimensions 7.8 x 2 x 6.4″ / 198 x 50 x 163 mm (without Mounting Hardware, Antennas) Weight 35.2 oz / 998 g Transmitter Transmitter Type Handheld RF Output Power 10 mW Audio I/O None Muting Off/On Switch Auto-Level Control No Gain Range -20 to -10 dB Sync Method Manual Antenna 1 x Internal (Handheld) Power Requirements Battery Battery Type 2 x AA (Included) Approx. Battery Life 14 Hours (Alkaline) Display & Indicators 1 x Multi-Segment LED (Channel, Group) 1 x LED (Battery Status, Power) Housing ABS Dimensions 2.5 x 4.3 x 0.8″ / 64 x 110 x 21 mm Weight 7.7 oz / 218 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 dBV/Pa