Shure SLXD24/B87A (K59) Wireless Vocal System

• 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.

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)

SLXD4 Receiver Specifications

• Dimensions (H x W x D): 1.65 x 7.76 x 5.98 in (42 x 197 x 152 mm)
• Weight: 1.8 lb (816 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 dBV 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 x 6.93 in (37.1 x 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