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Shure ULXS14/51 Wireless Lavalier Mic System (J1 Band, 554 - 590 MHz)

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2.00 LBS
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Product Description

Shure ULXS14/51

 Wireless Lavalier Microphone System includes the ULXS4 diversity receiver, ULX1 bodypack transmitter and WL51B lavalier microphone.

The ULXS4 provides the reliability you depend on in live performances and it allows you choose from over 1,400 selectable frequencies, and features such as Automatic Frequency Selection, comprehensive displays and more.

The The ULX1 is light weight and portable featuring a belt-clip for use with camera and guitar straps, belts, waistbands etc. It also features over 1400 user selectable UHF frequencies and a comprehensive LCD display group, channel information and more.

The the WL51B is small and visually unobtrusive, and it sounds clear and natural. The WL51B is ideal for use in theater, film, broadcast, worship services, and any other time minimal microphone visibility is an important.



  • Power On Indicator
  • "RF" Diversity Signal Indicators
  • 1/4 antennas
  • Transmitted (TX) Audio Indicators
  • Receiving Antenna Indicator
  • Automatic Frequency Selection
  • Over 1400 selectable frequencies
  • Group/Channel Displays
  • Transmitter Battery Life Indicator
  • MODE Button for Menu Display
  • SET Button for Saving Settings
  • Mic/Line level Switch
  • XLR and 1/4" outputs with level control
  • Half-rack design


  • 8-9 Hour Battery Life
  • Power On/Off Switch
  • 300' (92 m) operating range
  • Power/Battery LED-Green When ON, Red When Battery Low
  • 3-segment Battery Power Icon
  • PEAK Icon-Appears When Audio Signal Overloads
  • Group/Channel Displays
  • MODE Button for Menu Display
  • SET Button for Saving Settings
  • Adjustable Audio Gain Control
  • Input Attenuation Switch-Select 0dB for Voice/Low Output; 20dB for High Output
  • 4-pin Mini Connector
  • Belt Clip
  • 9V Battery Included


  • Cardioid pickup pattern
  • 20Hz-20kHz frequency response
  • 5.8mm diameter
  • 11mm height


Type of System Rack/Table Top Mountable UHF Diversity Wireless Lavalier System
RF Carrier Frequency Range 554.000 to 865.000 MHz
Approx. Working Range 300 Feet (100m) NOTE: Actual working range depends on RF signal absorption, reflection, and interference
Overall Frequency Response 25Hz - 15kHz, (±2 dB)
Signal-to-Noise Ratio Greater Than 90dB
# Of Channels Over 1400 User Selectable Frequencies (Frequency J1 / 554 - 590 MHz)
# Of Simultaneous Systems Up to 20
Type of Receiver ULXS4 Rack/Table-Top Mount Standard UHF Receiver
Type of Outputs Balanced XLR - 22 Ohms, 1 = Ground, 2 = Hot, 3 = Cold
Unbalanced 1/4" Phone Jack - 3k Ohms, Tip = Hot, Ring/Sleeve = Gnd
(Both Outputs Feature: Voltage, Current and Phantom Power Protection)
Headphone Monitoring No
Power Requirements 14 - 18VDC (negative ground), 550mA
External Power Supply - PS40, Included, Now with Locking DC Connector!
Battery Type/Approx. Life Not Applicable, Unit Does Not Operate on Batteries
Display Yes, Power On Indicator, Diversity Signal Indicators and Audio Peak Indicator, Channel, Group, Transmitter Low Battery Warning.
Mounting Options Rack / Table Top Mount 1/2 Rack Space
Antenna Type Wire Type
Dimensions (HxWxD) 8.56 x 1.72 x 6.62" (214 x 43 x 163mm)
Weight 2 lbs., 5 oz. (1049 g)
Type of Transmitter ULX-1 Bodypack UHF Transmitter
Type of Input Connector TAF4 4-Pin Mini Connector
Type of Microphone WL51B Lavalier
Polar Pattern Cardioid (Unidirectional)
Interchangeable Mic Heads Yes, Use any of the Shure Lavalier, Headset, Instrument Microphones, or Guitar/Bass/XLR Adapter Cables that terminate to a Mini 4-pin TA4F Connector.
Battery Type/Approx. Life Non-Rechargeable Type
9V Lithium Battery / 21 Hours (Recommended)
9V Alkaline Battery / 8 - 9 Hours (Recommended)
9V Carbon-Zinc Battery / 5 Hours (NOT Recommended)
Rechargeable Type
9V Ni-Cad Battery / 2 Hours (NOT Recommended)
9V Ni-MH Battery / 2.5 Hours (NOT Recommended)
Mute Switch Yes
Levl Control Yes, 25dB Gain Adjustment Range
Antenna Type Removable 1/2 Wave, Rear Mounted
Display Power On/Off Indicator, 3-Segment Low Battery Indicator, Channel and Group, Peak Icon (Input Overload Warning)
Dimensions (HxWxD) 3.86 x 2.68 x 1.10 in. (96.5 x 67 x 26.7 mm)
Weight 79 g (2.8 oz.) without battery

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