Shure QLXD24/B87A Handheld Microphone Wireless System, J50 572-636 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
\n Handheld Transmitter with Beta 87A Cartridge
\n Frequency
\n J50A (572-608 + 614-616MHz)
\n Includes
\n 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
\n [QLXD2]
\n Mic Offset Range
\n 0 to 21 dB (in 3 dB steps)
\n Battery Type
\n Shure SB900 Rechargeable Li-Ion or AA batteries 1.5 V
\n Battery Runtime @ 10 mW
\n Shure SB900: up to 10 hours
\n Alkaline: up to 9 hours
\n Dimensions
\n 256 mm x 51 mm (10.1 in. x 2.0 in.) L x Dia.
\n Weight
\n 347 g (12.2 oz.), without batteries
\n Housing
\n Machined aluminum
\n Audio Input
\n Configuration
\n Unbalanced
\n Maximum Input Level 1 kHz at 1% THD
\n 145 dB SPL (SM58), typical
\n Note: Dependent on microphone type
\n RF Output
\n Antenna Type
\n Integrated Single Band Helical
\n Occupied Bandwidth
\n <200 kHz
\n Modulation Type
\n Shure proprietary digital
\n Power
\n 1 mW or 10 mW
\n [QLXD4]
\n Dimensions
\n 41 mm x 197 mm x 151 mm (1.63 in. x 7.75 in. x 5.94 in.), H x W x D
\n Weight
\n 777 g (1.71 lbs), without antennas
\n Housing
\n Steel
\n Power Requirements
\n 12 V DC @ 0.4 A, supplied by external power supply (tip positive)
\n RF Input
\n Spurious Rejection
\n >80 dB, typical
\n Connector Type
\n BNC
\n Impedance
\n 50 ohm
\n Audio Output
\n Gain Adjustment Range
\n -18 to +42 dB in 1 dB steps
\n Configuration
\n 1/4 inch (6.35 mm):  Impedance balanced (Tip=audio, Ring=no audio, Sleeve=ground)
\n XLR:  Balanced (1=ground, 2=audio +, 3=audio -)
\n Impedance
\n 1/4 inch (6.35 mm):  100 OHM (50 OHM Unbalanced)
\n XLR:  100 OHM
\n Full Scale Output
\n 1/4 inch (6.35 mm):  +12 dBV
\n XLR:  LINE setting= +18 dBV, MIC setting= -12 dBV
\n Mic/Line Switch
\n 30 dB pad
\n Phantom Power Protection
\n 1/4 inch (6.35 mm): Yes
\n XLR:  Yes
\n Networking
\n Network Interface
\n Single Port Ethernet 10/100 Mbps
\n Network Addressing Capability
\n DHCP or Manual IP address
\n Maximum Ethernet Cable Length
\n 100 m (328 ft)