User manual
Shure BLX4R Fitness Headset Rackmount Wireless

User Manual for Shure BLX4R Fitness Headset Rackmount Wireless Mic System Kit

• Product category: Wireless Systems Shure
• Brand: Shure
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Shure Wireless Systems

Product description

• Shure BLX4R Single-Channel Wireless Rackmount Receiver (H9: 512 - 542 MHz) The BLX4R Wireless Rackmount Receiver from Shure is a single-channel receiver set to Shure's H9 frequency band and operates between 512 to 542 MHz. It has dual antennas with microprocessor-controlled internal diversity for reduced signal interference and dropouts. The one-touch QuickScan frequency selection feature allows you to quickly locate the available frequency with the least amount of interference.
  
  The unit features an LCD display for RF and audio level metering while its front-panel dual-color LED status indicator displays green for normal levels and red when clipping. It has an XLR output in additional to an instrument level 1/4" output. A rear-panel control provides output level. The BLX4R can be rackmounted with the included rackmount kit. UPC: 042406470773
• Shure BLX1 Bodypack Transmitter (H9: 512 - 542 MHz) The BLX1 Bodypack Transmitter from Shure is designed for use with Shure's BLX wireless systems. It is set to the H9 frequency band and operates between 512 and 542 MHz. It has a TQG input and can be used with Shure lavalier, headset, earset and instrument microphones. With the optional WA302 adapter cable, the BLX1 can be used as a transmitter for guitar. The unit has a top panel mounted on/off switch as well as volume control for quick access while speaking or performing. The BLX1 is powered by the two included AA batteries for up to 14 hours. UPC: 042406470254
• Shure SM31FH Fitness Headset Condenser Microphone The SM31FH Fitness Headset Condenser Microphone from Shure is a cardioid condenser headset microphone designed to be used by fitness and aerobics instructors. It has integrated moisture-repelling hydrophobic fabric that helps protect the microphone capsule from sweat and humidity. A windscreen is included.
  • Wearable wireframe headset designed for a secure, comfortable fit made for fitness and aerobics instructors
  • Integrated moisture-repelling hydrophobic fabric protects the microphone element from harmful corrosion for use in humid environments
  • Flexible gooseneck design provides discrete adjustment options to optimize placement for greatest isolation
  • Compatible with Shure wireless bodypack systems for direct replacement of TA4F-connected microphones
  • Lightweight and low-profile form factors help avoid fatigue during high-impact use
  • Tailored frequency response refined for crisp and clear vocal reproduction
  UPC: 042406325745

• BLX4R Single-Channel Wireless Rackmount Receiver (H9: 512 - 542 MHz) fvsbdvuaebzzecucbbsfyesytvfceyaudy
• Rackmount Hardware Kit
• Limited 2-Year Warranty

• BLX1 Bodypack Transmitter (H9: 512 - 542 MHz)

• SM31FH Fitness Headset Condenser Microphone

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Technical parameters

• Shure BLX4R Single-Channel Wireless Rackmount Receiver (H9: 512 - 542 MHz)

  Output	1x XLR Output 1x 1/4" (6.35 mm) Output
  Output Impedance	XLR: 200 ohms 1/4": 50 ohms
  Audio Output Level	XLR Connector: -20.5 dBV into 100 kOhms Load (Reference +/-33 kHz with 1 kHz Tone) 1/4": -13 dBV into 100 kOhms Load (Reference +/-33 kHz with 1 kHz Tone)
  RF Sensitivity	-105 dBm for 12 dB SINAD, Typical
  Image Rejection	>50 dB, Typical
  Housing	Molded ABS, Steel
  Power Requirement	12 to 15 VDC @ 260 mA, Supplied by External Power Supply (Tip Positive)
  Dimensions (H x W x D)	2.0 x 7.8 x 6.4" (50 x 198 x 163 mm)
  Weight	2.2 lb (998 g)

  Box Dimensions (LxWxH)	18.4 x 14.7 x 3.8"

• Shure BLX1 Bodypack Transmitter (H9: 512 - 542 MHz)

  Audio Input	Gain: -16 dBV (Maximum), 10 dBV (Minimum)
  Gain Adjustment Range	26 dB
  Input Impedance	1 MOhm
  RF Output	10 mW, Typical
  Housing	Molded ABS
  Power Requirement	2x LR6 AA Batteries, 1.5 V Alkaline
  Battery Life	Up to 14 Hours
  Dimensions (H x W x D)	4.3 x 2.5 x 0.8" (110 x 64 x 21 mm)
  Weight	2.6 oz (75 g)

  Box Dimensions (LxWxH)	11.1 x 5.3 x 3.2"

• Shure SM31FH Fitness Headset Condenser Microphone

  Type	Electret condenser
  Frequency Response	45 Hz to 20 kHz
  Polar Pattern	Cardioid
  Output Impedance	600 Ω @ 1 kHz, typical
  Audio Output Level	-50 dBV/Pa
  Signal to Noise Ratio	66 dB @ 1 kHz
  Maximum SPL	145 dB, @ 1 kHz (1,000 Ω load)
  Dynamic Range	117 dB, @ 1 kHz (1,000 Ω load)
  Output Noise	28 dB, typical, A-weighted
  Power Requirements	+5 V DC (nominal), 10 V maximum (DC bias)
  Polarity	Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1
  Cable	45" (1.1 m)
  Connector	TA4F
  Weight	2.11 oz (60 g)

  Box Dimensions (LxWxH)	7.7 x 6.4 x 3.1"

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