Product Overview
The Shure QLXD24/Beta 58A is a digital wireless handheld microphone system that's part of Shure's QLX-D line of digital wireless systems. QLX-D systems deliver streamlined performance with transparent 24-bit digital audio. Combining professional features with simplified setup and operation, these systems are ideal for mid-size events and installations in businesses, hotels, government offices, schools, houses of worship, and live performance spaces. The QLXD2/Beta 58A is a high-output supercardioid dynamic vocal microphone tailored to live presentations in houses of worship and music venues. It has become a leading choice among vocalists and touring professionals worldwide. The Beta 58A maintains a true supercardioid pattern throughout its frequency range and displays a shaped frequency response ideal for close-up vocals. It has excellent off-axis sound rejection with an exceptionally smooth frequency response and high sound pressure level capability.
Shure QLXD24/B58-G50 Includes:
- 1 QLXD2 Handheld Transmitter with BETA58A Cartridge
- 1 QLXD4 Receiver
- 2 AA batteries
- 2 1/2 wave antennas
- 2 2 BNC cables
- 1 zipper bag
- 2 BNC bulkhead Adapters
- 1 rackmount kit
- 1 user guide
- 1 power supply
Shure QLXD24/B58-G50 Features:
- 20 Hz to 20 kHz frequency range with flat response (actual response is microphone dependent)
- Interchangeable Shure microphone capsules, including the legendary SM58®
- 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
- Up to 9 hours continuous use with 2 x AA alkaline batteries
- Optional Shure lithium ion rechargeable battery provides up to 10 hours of continuous use and 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
- 100 meter (330 ft.) line-of-sight operating range
- Rugged metal construction
- Frequency and power lockout
Shure QLXD24/B58-G50 Specifications:
- RF Carrier Range: 470–937.5MHz, varies by region
- 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-inch) output.
- Operating Temperature Range: -18°C (0°F) to 50°C (122°F) (Battery characteristics may limit this range)
- Storage Temperature Range: -29°C (-20°F) to 74°C (165°F) (Battery characteristics may limit this range)
- 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)
- Shure QLXD4 Receiver Specifications:
- Dimensions (H×W×D): 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 on both 1/4" (6.35 mm) and XLR
- Shure QLXD2 Wireless Handheld Transmitter Specifications:
- BETA58A Cartridge Polar Pattern: Supercardioid
- Frequency Response: 50 Hz - 16 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 (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
