Shure QLXD24/SM58 QLX-D Series Single-Channel Digital Wireless Mic System with SM58 Handheld

The Shure QLXD24/SM58 is a digital wireless handheld microphone system that is part of Shure's QLX-D line of digital wireless systems. Shure QLX-D Digital Wireless delivers defined, streamlined performance with transparent 24-bit digital audio. Combining professional features with simplified setup and operation, QLX-D offers outstanding wireless functionality for demanding live sound events and installations. 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. The QLXD2/SM58 is a unidirectional (cardioid) dynamic wireless vocal microphone engineered for professional vocal use in live performance, sound reinforcement, and studio recording. Its highly effective, integrated, spherical filter minimizes wind and breath pop, while the cardioid pickup pattern isolates the main sound source and minimizes unwanted background noise. The SM58 features a tailored vocal response for world standard sound response.

Includes

• QLXD2 Handheld Transmitter with SM58 Cartridge
• QLXD4 Receiver
• Battery Contact Cover
• Two (2) Half-Wave Antennas
• Two (2) BNC Cables
• Two (2) BNC Bulkhead Adapters
• Zipper Bag
• Rackmount Kit
• User Guide

Features

• Includes QLXD4 digital wireless receiver and QLXD2 handheld mic with SM58 cartridge
• Transparent 24-bit digital audio captures every performance detail
• Over 120dB of dynamic range eliminates transmitter gain adjustment
• Wide 64MHz tuning bandwidth (region-dependent)
• Up to 17 compatible systems per 6MHz TV channel

• 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") 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 (HxWxD): 1.63" x 7.75" x 5.94" (41 x 197 x 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

• SM58 Cartridge Polar Pattern: Cardioid
• Frequency Response: 50 Hz - 15 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