Shure QLXD24/B87A Wireless Handheld System

The Shure QLXD24/B87A Wireless Handheld System contains a QLXD2 handheld transmitter with Beta87A microphone head and a QLXD4 receiver. It offers professional-quality audio, reliable RF performance, and secure AES 256-bit encryption to performers, presenters, and broadcasters.

The Shure QLXD24/B87A Wireless Handheld System 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. Featuring a BETA 87A handheld wireless microphone transmitter, the Shure QLXD24/B87A Wireless Handheld System combines professional features with simplified setup and operation.

Shure QLXD2 Handheld Wireless Transmitter
With an interchangeable SM58® microphone cartridge, the Shure QLXD2 Handheld Wireless Transmitter is ideal for wireless vocals in presentation spaces, music venues, and houses of worship. Works with QLX-D Digital Wireless Systems and offers up to 9 hours of continuous use with 2 AA alkaline batteries or up to 10 hours of continuous use with Shure lithium-ion rechargeable batteries.

Shure QLXD4 Digital Wireless Receiver
With transparent 24-bit digital audio quality and incredibly efficient RF spectrum usage, the Shure QLXD4 Digital Wireless Receiver combines professional features with streamlined setup and operation. Automatic scanning quickly finds open frequencies, and one-touch IR sync quickly deploys them to transmitters. Ethernet networking enables networked channel scanning across multiple receivers and Wireless Workbench® software integration for remote control of receiver settings from a PC or Mac. Remote monitoring and control from iOS devices also is available via the ShurePlus Channels Mobile App.

Shure Beta 87A Vocal Microphone
Add some studio-grade clarity to the live mix. Designed to capture brighter vocals with sparkling accuracy, the Shure BETA® 87A brings more crisp to the concert. And the increased presence will have everyone singing your praises.

Shure QLXD24/B87A Wireless Handheld System Features

Shure QLXD2 Handheld Wireless 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
Shure 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
Shure Beta 87A Vocal Microphone
- Premier live performance microphone with Shure quality, ruggedness, and reliability
- Uniform supercardioid pick-up pattern for maximum gain before feedback and superior rejection of off-axis sound
- Smooth, wide frequency response with gradual presence rise and controlled proximity effect tailored for vocals
- Advanced cartridge shock mount system absorbs mechanical shock and minimizes handling noise
- Dent-resistant steel mesh grille and enamel coated metal alloy construction resist wear and abuse
- Effective built-in pop filter reduces undesirable wind and breath noise
- Very low susceptibility to RF and electromagnetic hum

Shure QLXD24/B87A Wireless Handheld System Specifications

QLXD2 Handheld Wireless Transmitter:
- Mic Offset Range: 0 to 21 dB (in 3 dB Steps)
- Battery Type: Shure SB900 Rechargeable Li-Ion or AA Batteries 1.5 V
- Dimensions: 269 mm x 51 mm (10.6 in. x 2.0 in.) L x Dia.
- Weight: 307 g (12.1 oz.), Without Batteries
- 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:
  - Modulation Type: Shure Proprietary Digital
  - Power: 1 mW or 10 mW
QLXD4 Digital Wireless Receiver:
- Dimensions: 41 mm x 197 mm x 151 mm (1.63 in. x 7.75 in. x 5.94 in.), H x W x 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 O
- 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 O (50 O Unbalanced)
    - XLR: 100 O
  - 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 Cable Length: 100 m (328 ft)
B87A Vocal Microphone:
- Type: Electret Condenser
- Frequency Response: 50 to 20,000 Hz
- Polar Pattern: Supercardioid
- Output Impedance: EIA Rated at 150 O (100 O Actual)
- Sensitivity at 1 kHz, Open Circuit Voltage: -52.5 dBV/Pa (2 mV), (Where 1 Pa=94 dB SPL)
- Maximum SPL (1 kHz at 1% THD,1 kO Load): 140.5 dB
- Signal-to-Noise Ratio (Ref. 94 dB SPL at 1 kHz): 70.5 dB
- Dynamic Range at 1kHz,1 kO Load: 117 dB
- Clipping Level (1 kHz at 0.25% THD,1 kO Load): -6 dBV (0.5 V)
- Self Noise (Typical, Equivalent SPL, A-Weighted): 23.5 dB
- Polarity: Positive Pressure on Diaphragm Produces Positive Voltage on Pin 2 with Respect to Pin 3
- Net Weight: 0.207 kg(0.475 lbs)
- Connector: Three-Pin Professional Audio (XLR), Male, Balanced
- Housing: Aluminum Construction with Painted Blue Metallic Finish, and Hardened Steel Grille with Nickel Satin Chrome Plating
- Power Requirements: 11 to 52 V DC Phantom Power (1.2 mA)