The SLXD24D/N8SB Dual Wireless System delivers transparent, 24-bit digital audio and rock-solid RF performance for a wide range of applications, from day-long presentations to nighttime performances. Operate up to 32 compatible systems per 44 MHz band, with easy setup and optional rechargeable accessories for wireless excellence, wherever required. Ships with SLXD4D dual-channel receiver and 2 SLXD2/N8SB handheld transmitters, including  Nexadyne™ 8/S wireless capsules, with antenna and rackmount accessories and 4 AA batteries.

Featuring the Nexadyne™ 8/S Supercardioid Dynamic Microphone capsule on top of SLXD2 handheld wireless transmitters, SLXD24D/N8SB provides transparent digital audio and rock-solid RF stability for lecture halls and live performance.

Product Features

• Transparent 24-bit digital audio
• Extended 20 Hz to 20 kHz frequency range (microphone dependent)
• 118 dB dynamic range
• Digital predictive switching diversity
• 44 MHz tuning bandwidth (region dependent)
• 32 available channels per frequency band (region dependent)
• Up to 10 compatible systems per 6MHz TV band; 12 systems per 8 MHz band
• Easy pairing of transmitters and receivers over IR scan and sync
• Automatic channel scan
• Link multiple receivers for group scan and firmware updates via Ethernet port
• Compatible with Shure Wireless Workbench® control software
• Remote monitoring and control via ShurePlus™ Channels app
• Third-party setup and control via Ethernet
• Elegant and easy-to-use interface with high-contrast LCD menu
• Guided setup mode installed in each SLX-D receiver
• Transmitters use 2 AA batteries or Shure SB903 rechargeable battery
• System configurations include handheld transmitters with interchangeable microphone capsules, bodypacks with a range of lavalier, headset and instrument microphones and single and dual rack-mountable receivers.

Product Specifications

System Specifications

• RF
  • RF Carrier Frequency Range:  K59 (606 - 650MHz)
  • Working Range:  100 m (328 ft) 
  • RF Tuning Step Size:
    • JB Band:  125 kHz
    • All Other Bands:  25 kHz
    • Varies by region.
  • Image Rejection:  >70 dB typical
  • RF Sensitivity:  −97 dBm at 10-5 BER
• Audio
  • Latency:  3.2 ms
  • High-Pass/Low Cut Filter:  150 Hz, –12 dB/octave Note: factory default is for the HPF to be off
  • Audio Frequency Response:  20 Hz–20 kHz (+1, −2 dB)
  • Audio Dynamic Range, A-weighted, 20 Hz–20 kHz, typical:  118 dB @1% THD
  • Total Harmonic Distortion:  <0.02%
  • System Audio Polarity:
    • XLR: Positive pressure on microphone diaphragm produces positive voltage on pin 2 with respect to pin 3 of XLR output.
    • TRS: Postive pressure on microphone diaphragm produces positive voltage on the  tip of the 6.35 mm (1/4-inch) with respect to the ring of the 6.35 mm output.
  • Mic Offset Range:  0 to 21 dB (in 3 dB steps)
• Temperature Range
  • Operating Temperature Range:  0 °F to 122 °F (−18 °C to 50 °C)
  • Storage Temperature Range:  −20 °F to 165 °F (−29 °C to 74 °C)

SLXD4D Receiver Specifications

• Dimensions (H × W × D):  1.65 × 15.5 × 5.98 in (42 × 393 × 152 mm)
• Weight:  3.2 lb (1451 g) without antennas
• Housing:  Galvanized Steel
• Power Requirements:  15 VDC @ 600 mA Supplied by external power supply (tip positive)
• RF Input
  • Spurious Rejection:  >75 dB Typical
  • Connector Type:  BNC
  • Impedance:  50 Ω
• Audio Output
  • Gain Adjustment Range:  –18 to +42 dB in 1 dB steps
  • Configuration
    • 1/4" (6.35 mm): Balanced (Tip=audio +, Ring=audio –, Sleeve=ground)
    • XLR: Balanced (1=ground, 2=audio +, 3=audio –)
  • Impedance
    • 1/4" (6.35 mm): 1.3 kΩ (670 Ω Unbalanced)
    • XLR (line): 400 Ω (200 Ω Unbalanced)
    • XLR (mic): 150 Ω
  • Full Scale Output
    • 1/4" (6.35 mm): +15 dB differentially (+9 dBV single)
    • XLR (LINE setting): +15 dBV
    • XLR (MIC setting): –15 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)

SLXD2 Handheld Specifications

• Battery Type:  Rechargeable Li-Ion or 1.5 V AA batteries
• Dimensions:  1.46 × 6.93 in (37.1 × 176 mm)
• Weight:  5.2 oz. (147 g)
• Housing:  Aluminium
• Audio Input
  • Configuration:  Unbalanced
  • Maximum Input Level 8.2 dBV (2.57 Vrms, 7.27 Vpp) Note: Dependent on Microphone Type
• RF Output
  • Antenna Type:  Integrated Single-Band Helical
  • Occupied Bandwidth:  <200 kHz
  • Modulation Type:  Shure Proprietary Digital
  • Power:  1 mW/10 mW

What's in the Box?

• 2 x SLXD2/N8SB Digital Wireless Handheld Transmitter
• 1 x SLXD4D Dual-Channel Wireless Receiver
• 2 x Zippered Carrying Pouches
• 2 x WA371 Mic Clip
• 4 x AA Alkaline Batteries