Shure BLX14/SM31 Fitness Headset Wireless System (H9: 512 - 542 MHz)

Shure BLX14/SM31 Fitness Headset Wireless System (H9: 512 - 542 MHz)

Shure BLX14/SM31 Fitness Headset Wireless System (H9: 512 - 542 MHz)

B&H # SHBL14SM31H9 MFR # BLX14/SM31-H9
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Product Highlights

  • H9 Frequency Band
  • BLX4 Single-Channel Wireless Receiver
  • BLX1 Bodypack Transmitter
  • SM31FH Fitness Headset Microphone
  • One-Touch QuickScan Frequency Selection
  • Internal Antenna Diversity
  • 300' Operating Range
  • Batteries Included
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CONDITIONAL REBATES See Details
  • Get Up To $500 For Trading In A Qualified 600 MHz Band Wireless System! See Details Offer ends: APR 30 '18
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You Pay: $329.00

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  • 1Description

The BLX14/SM31 Fitness Headset Wireless System from Shure includes a BLX4 single-channel wireless receiver, a BLX1 bodypack transmitter, and a SM31FH fitness headset mic. The system is set to Shure's H9 frequency band and operates between 512 - 542 MHz.

The BXL1 bodypack transmitter has a 300' line of sight operation range with the BLX4 receiver. It is powered by two included AA batteries that can provide up to 14 hours of operation. The BLX4 receiver features microprocessor-controlled internal antenna diversity that helps prevent interference and signal dropouts. Its one-touch QuickScan feature detects the most interference-free frequency and sets the channel to it for fast setup.

  • 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
  • BLX4 Single-Channel Wireless Receiver (H9: 512 - 542 MHz)

    The BLX4 Wireless Receiver from Shure is a single-channel receiver set to Shure's H9 frequency band and operates between 512 to 542 MHz. It has microprocessor-controlled internal antenna diversity for reduced signal interference and dropouts. The one-touch QuickScan frequency selection feature allows you to quickly locate the frequency with the least amount of interference available.

    Its front-panel dual-color LED status indicator displays green for normal levels and red when clipping for fast metering. It has an XLR output in additional to an instrument level ¼" output. The BLX4 can be used with up to 11 other compatible systems simultaneously per frequency band.

    UPC: 042406470735
  • 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
In the Box
Bundle Items
  • Windscreen
  • Limited 1-Year Warranty
  • Power Supply
  • Limited 2-Year Warranty
  • 2 x AA Batteries
  • Limited 2-Year Warranty

Also Includes

  • Limited 2-Year Warranty
Table of Contents
  • 1Description
  • 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)
    Packaging Infozbqfbyfztwrb
    Box Dimensions (LxWxH) 7.7 x 6.4 x 3.1"
  • BLX4 Single-Channel Wireless 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: -27 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
    Power Requirement 12 to 15 V DC @ 160 mA, Supplied by External Power Supply (Tip Positive)
    Dimensions (H x W x D) 1.5 x 7.4 x 4.1" (40 x 188 x 103 mm)
    Weight 8.5 oz (241 g)
    Packaging Info
    Box Dimensions (LxWxH) 13.5 x 12.0 x 3.8"
  • 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)
    Packaging Info
    Box Dimensions (LxWxH) 11.1 x 5.3 x 3.2"
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