The Shure GLXD24R/SM58 is a premium digital wireless handheld microphone system from the GLX-D Advanced Series, designed for seamless performance and professional-grade reliability. Featuring a durable metal receiver in a half-rack chassis with dual removable antennas, this system is ideal for both portable flight case setups and permanent installations. Perfect for educational institutions, conference rooms, mid-sized venues, houses of worship, and broadcast studios, the GLXD24R/SM58 delivers crystal-clear audio and rock-solid connectivity for any application. Features Crystal-Clear Audio Classic SM58 Cardioid Mic Capsule GLXD4R Receiver Lightweight GLXD2 Handheld Transmitter True Digital Diversity Reception and 2.4 GHz Frequency Spectrum Optional UA846Z2 Frequency Manager Optional Remote-Mounted Antennas Intelligent Battery Rechargeability for Uninterrupted Performance Specifications System Wireless Transmission: Digital 2.4 GHz Included Transmitters: 1 x Handheld Diversity: True Digital Diversity RF Channel Scanning: Auto-Scan Max Operating Range: 200 ft / 61 m (Line of Sight) Max Systems per Setup: 8 Latency: 4 to 7.3 ms Dynamic Range: 120 dBA Modulation: Proprietary Receiver Form Factor: Tabletop Mounting Options: Rackmount (with Included Hardware) Rackmount Size: 1 RU (1/2 Rack) Antenna: 2 x 1/2 Wave Sleeve Dipole, Detachable (Rear-Mount) No# of Audio Channels: 1 Audio I/O: 1 x XLR 3-Pin Male Balanced Output, 1 x 1/4 TRS Female Balanced/Unbalanced Output Gain Range: -18 to +42 dB (1 dB Steps) Pad: 30 dB Audio Output Level: XLR Output: +18 dBV (Line Level), XLR Output: -12 dBV (Mic Level), 1/4 Output: +12 dBV Phantom Power Protection:On 1/4, XLR Outputs Frequency Response: 20 Hz to 20 kHz (Dependent on Mic) USB/Lightning Connectivity: 1 x Micro-USB (Host Connection) Impedance: XLR Output: 100 Ohms (Balanced) 1/4 Output:100 Ohms (Balanced) 50 Ohms (Unbalanced) RF Output Power: 10 mW (EIRP) Spurious: Rejection: >35 dB Power Requirements: AC/DC Power Adapter AC/DC Power Adapter 14 to 18 VDC at 550 mA, Center-Positive (Included) AC Input Power: 100 to 240 VAC, 50 / 60 Hz Display & Indicators: 1 x Backlit LCD (AF Level, Channel, Frequency, Group, Transmitter Battery Status) Housing: Steel Dimensions: 7.8 x 1.7 x 6.4 / 197 x 42 x 163 mm Weight: 32 oz / 907 g Transmitter Form Factor: Bodypack RF Output Power: 10 mW (EIRP) Audio I/O: none Muting: Off/On Switch Gain Range: -18 to +42 dB (1 dB Steps) Sync Method: Proprietary Antenna: 1 x Internal, Fixed (Handheld) Power Requirements: Battery Battery Type: 1 x Shure SB902 (Included, Replaceable) Battery Charging Time: .25 to 3 Hours Approx. Battery Life: 16 Hours (Lithium Rechargeable) USB/Lightning Connectivity: 1 x Micro-USB (Charging) Display & Indicators: 1 x LED (Battery Status, Sync) Housing: Plastic Dimensions: 2 x 9.9 x 1.5 / 51 x 252 x 37 mm (without Antennas) Weight: 9.4 oz / 267 g (without Batteries) Microphone Form Factor: Handheld Capsule Sound Field: Mono Capsule: Dynamic Polar Pattern: Cardioid Frequency Range: 50 Hz to 15 kHz Maximum SPL: 146 dB SPL Sensitivity: -54.5 dBV/Pa