The Shure GLXD24/SM58 wireless microphone system includes a Shure GLXD4 digital wireless receiver and a Shure GLXD2 digital wireless handheld transmitter with an SM58 dynamic cardioid microphone cartridge. The Shure GLXD24/SM58 is the perfect wireless handheld mic system for vocalists.

A groundbreaking offering to the MI industry, the new GLX-D Digital Wireless Systems from Shure combine the leading edge of LINKFREQ automatic frequency management technology with best-in-class Lithium ion battery rechargeability, world-renowned microphones and unparalleled design and construction. Available in a wide offering of bodypack and handheld configurations - including vocal, headset and presenter systems as well as traditional and pedal-mounted guitar options. GLX-D Wireless Systems define the standard for seamless ease of operation and exceptional digital audio clarity.

Includes:
GLXD4 wireless receiver
GLXD2/SM58 handheld transmitter with integrated SM58® cardioid dynamic microphone capsule
Microphone clip
Padded zipper case
USB charge cable
Padded zipper case

Features:
Overall System:
LINKFREQ Automatic Frequency Management
Revolutionary intelligent frequency management quickly identifies the best open channels
Bi-directional communication enables the transmitter to follow any frequency change on the receiver automatically
Continuous interference monitoring avoids signal interruption by automatically and seamlessly switching to backup frequencies without performance interruption.
Operate up to 4 compatible systems in typical setting, up to 8 maximum under ideal conditions
GLXD4 Receiver:
Hi-res LCD screen status display
Real-time battery run-time displayed in hours and minutes (accurate within +/- 15 minutes)
Remote adjustable transmitter gain control
Integrated battery charge port for proprietary Shure lithium-ion transmitter batteries, two-color charge indicator LED
Green: Charged
Flashing Green: 90% charged
Red: Charging
XLR and 1/4" output connectors
Lightweight, durable construction

GLXD2/SM58 Transmitter:
Automatically links with GLX-D wireless receivers for seamless frequency changing
Up to 16 hours of continuous, rechargeable use with Shure proprietary lithium-ion rechargeable batteries
Operating Range:
Indoors: Up to 100 ft (30 m) typical, with a maximum of 200 ft (60 m)
Outdoors: Up to 65 ft (20 m) typical, with a maximum of 165 ft (50 m) under ideal conditions
Integrated microphone capsule design
Sophisticated design with durable, lightweight construction

Shure GLXD24/SM58 Specifications:
Overall System:
Tuning Bandwidth: 2400 - 2483.5 MHz
Working Range:
Indoors: Up to 100 ft (30 m) typical, up to 200 ft (60 m) maximum
Outdoors: Up to 65 ft (20 m) typical, up to 165 ft (50 m) maximum under ideal conditions
Transmit Mode: Frequency hopping
Audio Frequency Response: 20 Hz - 20 kHz
Dynamic Range: 120dB, A-weighted
RF Sensitivity: -88dBm, typical
Total Harmonid Distortion: 0.2%, typical
RF Output Power: 10 mW E.I.R.P max
Operating Temperature Range: 0°F to 135°F (-18°C to 57°C)
Note:  Battery characteristics may limit this range
Storage Temperature Range: -20°F to 165°F (-29°C to 74°C)
Polarity: Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on pin 2 (with respect to pin 3 of low-impedance output) and the tip of the high impedance 1/4" output
Battery Life: Up to 16 hours
Channel Count: 4 typical, up to 8 maximum

Power Management:
Custom Shure rechargeable lithium-ion batteries
Up to 16 hours of continuous, rechargeable use
3 hour charge = up to 16 hours use
1 hour charge = up to 6 hours use
30 minute charge = up to 3 hours use
15 minute charge = up to 1.5 hours use
Accurate battery metering in hours / minutes (±15 minutes) displayed on GLXD4 LED screen
Up to 13,000 hours of regular use per individual custom lithium-ion battery
GLXD4 integrated charge port - charge a spare battery while system is in use
SB902 GLX-D Lithium-ion battery (available separately)
SBC902 USB battery dock charger (available separately)
Charge battery in-transmitter
USB charge cable (included)
SBC-USB USB wall charger (available separately)
SBC-CAR USB car charger (available separately)

GLXD4 Receiver:
Dimensions (HxWxD): 1.6" x 7.2" x 4.6" (40 mm x 183 mm x 117 mm)
Weight: 10.1 oz (286 g) without batteries
Housing: Molded plastic
Power Requirements: 14 to 18 V DC (Tip positive with respect to ring), 550 mA
Spurious Rejection: >35dB typical
Gain Adjustment Range: -20 to 40dB in 1dB steps
Phantom Power Protection: Yes
Connectors:
1x XLR Male, impedance balanced
1x 1/4" Female, impedance balanced
Output Impedance:
XLR: 100 Ohms
1/4": 100 Ohms (50 Ohms, unbalanced)
Maximum Audio Output Level:
XLR Connector (into 600 Ohm load): +1dBV
1/4" Connector (into 3 kOhm load): +8.5dBV
Pin Assignments:
XLR Output: 1=ground, 2=hot, 3=cold
1/4" Connector: Tip=audio, Ring=no audio, Sleeve=ground
Receiver Antenna Input:
Impedance: 50 Ohms
Antenna Type: 1/2 Wave Sleeve Dipole, non-removable
Maximum Input Level: -20dBm

GLXD2/SM58 Handheld Transmitter:
Polar Pattern: Cardioid
Frequency Response: 50 Hz - 15 kHz
Maximum Input Level: 146dB SPL
Housing: Molded plastic
Power Requirements: 3.7 V Rechargeable Li-Ion
RF Output Power: 10 mW E.I.R.P max
Dimensions (WxL): 2.0" x 9.9" (51 mm x 252 mm)
Weight: 9.4 oz (267 g) without batteries

Shure Professional GLXD24/SM58 (Shure handheld wireless mic system)