Shure SLXD3+ XLR Plug-On Digital Wireless Transmitter K55 CH38

• K55 Frequency Band (606-694 MHz)
• Convert any XLR source for use within SLX-D+ wireless systems
• Provides +12–48 VDC phantom power for use with condenser microphones
• Patented locking mechanism for secure, wobble-free connection
• Transparent 24-bit digital audio quality with >118 dB dynamic range
• Rock solid RF with 138 MHz wide-tuning range for greater geographical coverage:
  • Up to 11 simultaneous systems in 6 MHz TV bands
  • Up to 14 simultaneous systems in 8 MHz TV bands
• Automatic Setup – once linked, SLX-D+ receivers and transmitters stay connected, despite any RF interference
• With ShowLink® Ease, transmitter parameters can be adjusted remotely over the air from the linked receiver, including:  
  • Changing the transmitter frequency once open frequency is identified
  • Adjust power output level
  • Lock and unlock transmitter controls
  • Transmitter firmware updates
• Monitor RF status and control receiver and transmitter parameters with Wireless
• Workbench desktop software, or remotely with the WWB Mobile app over Wi-Fi or Bluetooth
• Each SLX-D+ component and system ships with AES-256 Encryption installed, for complete and secure peace of mind
• Up to 8 hours of use from either 2 AA batteries (included) or optional Shure SB903 Li-ion rechargeable batteries and charging accessories
• Ergonomic and durable plastic construction

System Specifications

• RF
  • RF Carrier Frequency Range:  606 to 694 MHz
  • Working Range:  100 m (328 ft). Note: Actual range depends on RF signal absorption,
  • reflection and interference.
  • RF Tuning Step Size
    • JB Band: 125 kHz
    • All Other Bands: 25 kHz Varies by region.
  • Image Rejection:  >85 dB typical
  • RF Sensitivity:  −97 dBm at 10-5 BER
• Audio
  • Latency:  2.8 ms
  • High-Pass/Low Cut Filter:  160 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)
• Temperate Range Note: Battery characteristics may limit this 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)

SLXD3+ Specifications

• Battery Type:  Rechargeable Li-Ion or 1.5 V AA batteries
• Dimensions (L x W x D):  4.9 × 1.6 × 1.6 in (126 × 41 × 41 mm)
• Weight:  7.0 oz. (200 g)
• Housing:  Aluminium, Zinc Alloy, PC/ABS
• Audio Input
  • Configuration:  XLR
  • Maximum Input Level 1 kHz @ 1% THD:
    • Pad -12 dB: 20.5 dBV
    • 0 dB: 8.5 dBV
    • Boost +12 dB: -3.5 dBV
    • Note: Dependent on Microphone Type
  • Phantom Power
    • +48 V (7 mA maximum)
    • +12 V (15 mA maximum)
• RF Output
  • Antenna Type Dipole
  • Occupied Bandwidth <200 kHz
  • Modulation Type Shure Proprietary Digital
  • Power:  1 mW/10 mW/30 mW
  • Specific Absorption Rate (SAR):  <0.17 W/kg