G50 Band: 470 to 535 MHz

The Shure QLXD24/B87A is a digital wireless handheld microphone system that is part of Shure's QLX-D line of digital wireless systems.

Shure QLX-D Digital Wireless delivers defined, streamlined performance with transparent 24-bit digital audio. Combining professional features with simplified setup and operation, QLX-D offers outstanding wireless functionality for demanding live sound events and installations.

QLX-D delivers outstanding wireless functionality ideal for mid-size events and installations in businesses, hotels, and government offices with conferencing spaces; schools, houses of worship, and live performance spaces.

Shure QLXD24/B87A Includes:

QLXD2 Handheld Transmitter with BETA87A Cartridge
QLXD4 Receiver
Battery Contact Cover
Two (2) Half-Wave Antennas
Two (2) BNC Cables
Two (2) BNC Bulkhead Adapters
Zipper Bag
Rackmount Kit
User Guide
Shure QLXD24/B87A Features:
Transparent 24-bit digital audio captures every performance detail
Extended 20 Hz - 20 kHz frequency range (microphone-dependent)
Over 120dB of dynamic range eliminates transmitter gain adjustment
Wide 64 MHz tuning bandwidth (region-dependent)
Up to 17 compatible systems per 6 MHz TV channel
Compatible with Shure Wireless Workbench 6 Control Software
Remote control from an iOS device via ShurePlus Channels Mobile App
AES-256 encryption for secure wireless transmission
Professional-grade all metal construction

Shure QLXD24/B87A Specifications:

G50: 470 to 534 MHz
Working Range: 100 m (328 ft)
NOTE: Actual range depends on RF signal absorption, reflection and interference.
RF Tuning Step Size: 25 kHz, varies by region
Image Rejection: > 70 dB, typical
RF Sensitivity: -97 dBm at 10-5 BER
Latency: <2.9 ms
Audio Frequency Response QLXD1: 20 Hz – 20 kHz (+/-1 dB, Note: Dependent on microphone type)
Audio Dynamic Range (System Gain @ +10): > 120 dB, A-weighted, typical
Total Harmonic Distortion (-12 dBFS input, System Gain @ +10): <0.1%
System Audio Polarity: Positive pressure on microphone diaphragm produces positive voltage on pin 2 (with respect to pin 3 of XLR output) and the tip of the 6.35 mm (1/4") output.
Operating Temperature Range: -18°C (0°F) to 50°C (122°F)
NOTE: Battery characteristics may limit this range.
Storage Temperature Range: -29°C (-20°F) to 74°C (165°F)
NOTE: Battery characteristics may limit this range.

QLXD4 Receiver

Dimensions (HxWxD): 1.63" × 7.75" × 5.94" (41mm × 197mm × 151mm)
Weight: 1.71 lbs (777 g, without antennas)
Housing: Steel
Power requirements: 12 V DC @ 0.4 A, supplied by external power supply (tip positive)
RF Input:
Spurious Rejection: >80 dB, typical
Connector Type: BNC
Impedance: 50 Ohms
Audio Output:
Gain Adjustment Range: -18 to +42 dB in 1 dB steps
Configuration:
1/4" (6.35 mm): Impedance balanced (Tip=audio, Ring=no audio, Sleeve=ground)
XLR: Balanced (1=ground, 2=audio +, 3=audio -)
Impedance:
1/4" (6.35 mm): 100 Ohms (50 Ohms Unbalanced)
XLR: 100 Ohms
Full Scale Output:
1/4" (6.35 mm): +12 dBV
XLR: LINE setting = +18 dBV, MIC setting =-12 dBV
Mic/Line Switch: 30 dB pad
Phantom Power Protection:
1/4" (6.35 mm): Yes
XLR: Yes
Networking

Network Interface: Single Port Ethernet 10/100 Mbps
Network Addressing Capability: DHCP or Manual IP address
Maximum Ethernet Cable Length: 328 ft (100 m)
QLXD2 Wireless Handheld Transmitter:

BETA87A Cartridge Polar Pattern: Supercardioid
Frequency Response: 50 Hz - 20 kHz
Mic Offset Range: 0 to 21 dB (in 3 dB steps)
Battery Type: Shure SB900 Rechargeable Li-Ion or AA batteries 1.5 V
Battery Runtime @ 10 mW: Shure SB900: up to 10 hours; Alkaline: up to 9 hours
Dimensions (LxDia.): 10.1" x 2.0" (256 mm x 51 mm)
Weight: 12.2 oz. (347 g), without batteries
Housing: Machined aluminum
Audio Input:
Configuration: Unbalanced
Maximum Input Level (1 kHz at 1% THD): 145 dB SPL (SM58), typical
NOTE: Dependent on microphone type
RF Output:
Antenna Type: Integrated Single Band Helical
Occupied Bandwidth: < 200 kHz
Modulation Type: Shure proprietary digital
Power: 1 mW or 10 mW

Shure QLXD24/B87A-G50 (Shure QLXD24/B87A-)