Shure SLXD14E/DL4B-H56 system

DL4 Omnidirectional Lavalier Microphone

• Microphone Capsule: MEMS
• Polar Pattern: Omnidirectional
• Frequency Response: 20 Hz - 20 kHz
• Sensitivity: -42.5 dBV (7.5 mV RMS) @ 1 kHz
• Self-Noise: 31 dB SPL-A (A-weighted, equivalent acoustical)
• Signal-to-Noise Ratio: 63 dB
• Maximum SPL: 132 dB SPL (1 kHz @ 1% THD, typical)
• Dynamic Range: 101 dB (typical)
• Microphone Current Draw: 220 μA, maximum
• Bias Voltage (Recommended Operating Voltage): 5 VDC
• Housing: Molded ABS
• Polarity: MTQG: Positive pressure on diaphragm produces positive voltage on Pin 3 with respect to Pin 1, LEMO: Positive pressure on diaphragm produces positive voltage on Pin 3 with respect to Pin 1
• Cable Diameter: 1.6 mm
• Cable Length: 66.0" (1.67 m)
• Net Weight: 15.0 g (0.53 oz)
• Capsule Dimensions (L x D): 14.5 mm x 5.2 mm

SLXD4 Receiver

• Weight: 1.8 lb (816 g), without antennas 
• Dimensions (H x W x D): 42 × 197 × 152 mm
• Power Requirements: Supplied by included power supply
• 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) and XLR: Balanced
  • Impedance: 50 Ω
  • Full Scale Output: 1/4": +12 dBV, XLR: LINE setting = +15 dBV, MIC setting = −15dBV
  • Mic/Line Switch: 30 dB pad
  • Phantom Power Protection: 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)

SLXD1 Bodypack Transmitter

• Mic Offset Range: 0 to 21 dB (in 3 dB steps)
• Battery Type: Shure SB903 Rechargeable Li-Ion or AA batteries 1.5 V
• Battery Runtime: Shure SB903: up to 10 hours, AA: up to 8 hours
• Dimensions (H x W x D): 3.86 × 2.68 × 1.0 in (98 × 68 × 25.5 mm)
• Weight: 3.1 oz (89 g) without batteries
• Housing: PC/ABS
• Audio Input:
  • Connection: 4-pin male mini connector (TA4M)
  • Configuration: Unbalanced
  • Impedance: 1 MΩ
  • Maximum Input Level: 8.2 dBV (7.27 Vpp)
  • Preamplifier Equivalent Input Noise (EIN): −118 dBV, A-weighted, typical
• RF Output:
  • Connector: SMA
  • Antenna Type: 1/4 wave
  • Impedance: 50 Ω
  • Occupied Bandwidth: 200kHz 
  • Modulation Type: Shure proprietary digital
  • Power: 1 mW or 10 mW