Shure QLXD24/B87A Handheld Wireless System, V50 174 - 216 MHz

The QLXD24/B87A Handheld Wireless Microphone System is part of the QLX-D wireless systems family.

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.

Technical Specifications

Microphone Option
Handheld Transmitter with Beta 87A Cartridge
Includes
BETA 87A, QLXD4, microphone clip, power supply, 2 AA batteries, battery contact cover, two 1/2 wave antennas, 2 BNC cables, zipper bag, 2 BNC bulkhead adapters, rackmount kit, and user guide

[QLXD2]
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
256 mm × 51 mm (10.1 in. × 2.0 in.) L × Dia.
Weight
347 g (12.2 oz.), 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

[QLXD4]
Dimensions
41 mm × 197 mm × 151 mm (1.63 in. × 7.75 in. × 5.94 in.), H × W × D
Weight
777 g (1.71 lbs), 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 ohm
Audio Output:
Gain Adjustment Range
-18 to +42 dB in 1 dB steps
Configuration
1/4 inch (6.35 mm):  Impedance balanced (Tip=audio, Ring=no audio, Sleeve=ground)
XLR:  Balanced (1=ground, 2=audio +, 3=audio -)
Impedance
1/4 inch (6.35 mm):  100 OHM (50 OHM Unbalanced)
XLR:  100 OHM
Full Scale Output
1/4 inch (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 inch  (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
100 m (328 ft)