Shure BLX14R/SM31 Rackmount Wireless Cardioid Fitness Headset Microphone Kit

Product #72904 | SKU BLX14R-SM31 | Shure
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Our Price $1,275.01
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Features

  • For Fitness Instructors
  • SM31FH Cardioid Fitness Headset Mic
  • Moisture-Repellent Mic Construction
  • Lightweight Bodypack Transmitter
  • Single-Channel Rackmount Receiver

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Description

The Shure BLX4R is a single-channel wireless receiver compatible with the BLX1 bodypack transmitter and BLX2 handheld transmitters. It features a rugged metal chassis and, using the included hardware, can be rackmounted with the two removable antennas positioned on the front of the rack—for optimal signal reception in A/V installations and sound-reinforcement applications.

The BLX4R offers one-touch QuickScan frequency selection to quickly search 123 available frequencies and locate a clean RF channel in case of interference. It also employs microprocessor-controlled diversity technology to reduce dropouts. BLX systems allow up to 12 mic channels to operate simultaneously in each frequency band, at a range up to 300'.

The LCD display shows group and channel settings, and allows you to metre audio level and signal strength. An LED indicator even lets you keep an eye on the transmitter's remaining battery life. The unit offers 1/4" and XLR connectors with adjustable output level for flexible connectivity to PA systems and mixing boards.

Specifications

System
Wireless Transmission Analogue UHF
Number of RF Channels 123
Diversity Antenna Diversity
RF Frequency Band H10: 542 to 572 MHz
RF Bandwidth 24 MHz
RF Channel Scanning Auto-Scan
Max Operating Range 300' / 91.4 m (Line of Sight)
Max Systems per Setup 12
Receiver
Form Factor Rackmount
Mounting Options Rackmount (with Included Hardware)
Rackmount Size 1 RU (1/2 Rack)
Antenna 2 x 1/4 Wave External, Detachable (Rear-Mount)
Number of Audio Channels 1
Audio I/O 1 x XLR 3-Pin Male Balanced Output
1 x 1/4" TS Female Unbalanced Output
Audio Output Level XLR Output:
-20.5 dBV (Mic Level)
1/4" Output:
-13 dBV (Instrument Level)
Frequency Response 50 Hz to 15 kHz (Dependant on Mic)
Impedance XLR Output:
200 Ohms
1/4" Output:
50 Ohms
Approximate RF Sensitivity -105 dBm
Adjacent Channel Isolation >50 dB
Power Requirements AC/DC Power Adapter
AC/DC Power Adapter 12 to 15 VDC at 260 mA, Centre-Positive (Included)
Display & Indicators 1 x Backlit LCD (AF Level, Channel, Group, Metering, RF Level)
1 x LED (Transmitter Battery Status)
Housing Steel
Operating Temperature 0 to 135°F / -17 to 57°C
Dimensions 7.8 x 2 x 6.4" / 198 x 50 x 163 mm (without Mounting Hardware, Antennas)
Weight 35.2 oz / 998 g
General
System
Wireless Transmission Analogue UHF
RF Frequency Band H10: 542 to 572 MHz
RF Bandwidth 24 MHz
Max Operating Range 300' / 91.4 m (Line of Sight)
Encryption None
Transmitter
Form Factor Bodypack
RF Output Power 10 mW
Audio I/O 1 x TA4/Mini XLR 4-Pin Male Input (Lockable)
Muting Off/On Switch
Auto-Level Control No
Gain Range -16 to +10 dB
Sync Method Manual
Antenna 1 x Flexible Whip, Fixed (Beltpack)
Power Requirements Battery
Battery Type 2 x AA (Included)
Approx. Battery Life 14 Hours (Alkaline)
Display & Indicators 1 x Multi-Segment LED (Channel, Group)
1 x LED (Battery Status, Power)
Housing ABS
Dimensions 2.5 x 4.3 x 0.8" / 64 x 110 x 21 mm
Weight 2.6 oz / 75 g (without Batteries)
General
Microphone
Form Factor Headworn
Sound Field Mono
Capsule Electret Condenser
Polar Pattern Cardioid
Circuitry Solid-State
Pad None
High-Pass Filter None
Windscreen Foam (Included)
Performance
Frequency Range 45 Hz to 20 kHz
Maximum SPL 145 dB SPL (1 kHz, 1-Kilohm Load)
Impedance 600 Ohms at 1 kHz
Output Level -50 dBV/Pa
Dynamic Range 117 dB (1 kHz, 1-Kilohm Load)
Signal-to-Noise Ratio 66 dB (1 kHz)
Equivalent Noise Level 28 dB A-Weighted (Typical)
Connectivity
Output Connectors 1 x TA4F 4-Pin Female
Cable Length 45" / 1.1 m
Power
Operating Voltage 5 to 10 V
Physical
Colour Black
Mounting Over-Ear (Double/Neckband)
Weight 2.11 oz / 60 g

In The Box

  • Shure BLX4R Rackmount Wireless Receiver
  • Shure BLX1 Wireless Bodypack Transmitter
  • Shure SM31FH Fitness Headset Condenser Microphone

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Details

  • Product: Shure BLX14R/SM31 Rackmount Wireless Cardioid Fitness Headset Microphone Kit
  • Manufacturer: Shure
  • Model: BLX14R-SM31
  • SKU: BLX14R-SM31
  • RM Product #: 72904
  • Length Meters: 1.1 m
  • System Type: Headset System
  • Element Type: Condenser
  • Polar Pattern: Cardioid
  • Warranty: 2 year manufacturer warranty (excluding consumable e.g. lithium-ion batteries).
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