Shure BLX14R/MX53-H10 Wireless Headset System with MX153T/O Mic

Features of the Shure BLX14R/MX53-H10 Wireless Headset System with MX153T/O Mic: For Presenters and Lecturers MX153 Omni Subminiature Earset Mic Lightweight Bodypack 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 Bodypack Diversity Antenna Diversity RF Frequency Band H10: 542 to 572 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) 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 Bodypack RF Output Power 10 mW Audio I/O 1 x TA4/Mini XLR 4-Pin Male Input (Lockable) Muting Off/On Switch Auto-Level Control No Gain Range -16 to 10 dB Sync Method Manual Antenna 1 x Flexible Whip, Fixed (Beltpack) 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 2.6 oz / 75 g (without Batteries) Microphone Microphone Type Earset Sound Field Mono Capsule Electret Condenser Polar Pattern Omnidirectional Frequency Range 20 Hz to 20 kHz SNR 60 dB Equivalent Noise Level 34 dB Maximum SPL 107 dB SPL Sensitivity -41 dBV/Pa Dynamic Range 73 dB Output Connectors 1 x TA4/Mini XLR 4-Pin Female (Lockable) Cable Length 4′ / 1.22 m Operating Voltage 1 to 5 V Operating Temperature 0 to 135°F / -17 to 57°C Weight 0.7 oz / 19.76 g