- Description
Details
Featuring a BETA 87A handheld wireless microphone transmitter, QLXD24/B87A combines professional features with simplified setup and operation
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
- Features
Features
QLXD4 Digital Wireless Receiver:
- 64 MHz tuning bandwidth (region dependent)
- More than 60 preset compatible channels per frequency band (region dependent)
- Up to 17 compatible systems per 6 MHz TV channel; 22 systems per 8 MHz channel
- Digital predictive switching diversity ensures solid RF connection
- AES 256-bit encryption for secure wireless transmission
- Up to 60 dB of adjustable audio gain
- High-contrast LCD menu and controls with lockout feature
- Audio and RF LED meters with peak indicator
- Detachable ½ wave antennas
- Mic / line switchable XLR output
- ¼" Instrument output
- Durable aluminum construction with brushed finish
QLXD2/BETA87A Handheld Wireless Microphone Transmitter:
- 24-Bit digital audio quality
- Incredibly efficient RF spectrum usage
- Quick syncing with a wireless receiver over IR at the push of a button
- Clear, uninterrupted signal over the entire operating range
- AES 256-bit encryption for secure transmission
- Over 120 dB of dynamic range: no transmitter gain adjustment needed
- 1, 10 mW selectable RF output power
- Optional Shure SB900A lithium ion rechargeable battery reports remaining runtime in hours and minutes
- External charging contacts for docked charging
- Backlit LCD with easy to navigate menu and controls
- Selectable display mode showing group/channel, frequency, or battery runtime
- Rugged metal construction
- Frequency and power lockout
- Specification
QLX-D System RF Carrier Frequency Range 470–937.5 MHz, Varies by Region Image Rejection >70 dB, Typical Latency <2.9 ms RF Sensitivity -97 dBm at 10-5 BER Working Range 100 m (328 ft.) Line-of-Sight Note: Actual Range Depends on RF Signal Absorption, Reflection and Interference Audio Dynamic Range
(System Gain @ +10)20 Hz to 20 kHz Note: Dependent on Microphone Type Total Harmonic Distortion >120 dB, A-Weighted, Typical Operating Temperature Range < 0.1% (−12 dBFS Input, System Gain @ +10) Maximum Input Level -18°C (0°F) to 50°C (122°F)
Note: Battery characteristics may limit this rangeQLXD4 Digital Wireless Receiver Power Requirements 12V DC @ 0.4 A, Supplied By External Power Supply (Tip Positive) Housing Steel RF Input Spurious Rejection >80 dB, Typical Connector Type BNC Impedance 50 Ω Audio Output Gain Adjustment Range -18 to +42 dB in 1 dB Steps Configuration 1/4 Impedance Balanced (Tip=Audio, Ring=No Audio, Sleeve=Ground) Configuration XLR Balanced (1=Ground, 2=Audio+, 3=Audio−) Impedance 1/4" (6.35 mm): 100 Ω (50 Ω Unbalanced)XLR: 100 Ω Full Scale Output 1/4" (6.35 mm): +12 dBVXLR: LINE Setting= +18 dBV, MIC Setting=−12 dBV Mic/Line Switch 30 dB Pad Phantom Power Protection 1/4" (6.35 mm): YesXLR: 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) Dimensions (H x W x D) 1.63" (41 mm) x 7.75" (197 mm) x 5.94" (151 mm) Weight 1.71 lbs (0.78 kg) without Antennas QLXD2/BETA87A Wireless Handheld Transmitter Mic Offset Range 0 to 21 dB (in 3 dB Steps) Battery Type Shure SB900 Rechargeable Li-Ion or AA Batteries 1.5V Battery Runtime @ 10 mW Shure SB900: Up to 10 Hours; Alkaline: Up to 9 Hours Housing Machined Aluminum Audio Input Configuration Unbalanced Maximum Input Level (1 kHz at 1% THD) 145 dB SPL (SM58), Typical RF Output Antenna Type Integrated Single Band Helical Occupied Bandwidth <200 kHz Modulation Type Shure Proprietary Digital Power 1 mW or 10 mW Dimensions (Dia x L) 2" (51 mm) x 10.1" (256 mm) Weight 0.76 lbs (0.35 kg) - Documents
- In The Box
In The Box
- (1) BETA 87A Handheld Wireless Microphone Transmitter
- (1) QLXD4 Digital Wireless Receiver
- (1) Microphone Clip
- (1) Power Supply
- (2) AA Batteries
- (1) Battery Contact Cover
- (1) Two 1/2 Wave Antennas
- (2) BNC Cables
- (1) Zipper Bag
- (2) BNC Bulkhead Adapters
- (1) Rackmount Kit
- (1) User Guide
- Reviews
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