Shure ULXP 14/85 Wireless Lavalier Microphone System



The Shure ULX Professional Series wireless microphone systems provide professional wireless microphone solutions for broadcast, performances, conferences, houses of worship, schools, and businesses. The system includes the ULXP4 diversity receiver, ULX1 bodypack transmitter and WL185 lavalier microphone.

The ULXP4 receiver operates on UHF frequencies, offering over 1400 user selectable frequencies to choose from. All the standard features of the ULXS4 receiver are present. In addition, the ULXP4 is equipped with features that meet the demands of professionals. Additional features include TV channel display, frequency and volume locks, SCAN indicator, squelch indicator and receiving Antenna Indicators. The dual antenna design represents diversity technology, which provides optimum resistance against RF interference and drop-out. Dual internal receivers are set to the same frequency and are constantly vying for the strongest reception. The receiver features a balanced XLR output that is switchable between mic- and line-level signal, as well as an unbalanced 1/4″ phone output. A multifunction LCD provides group and channel information, transmitter battery life, and more. Two 5-segment LEDs provide audio and RF metering.

The ULX1 bodypack transmitter is light weight and portable featuring a belt-clip for use with camera and guitar straps, belts, waistbands etc. The transmitter also features over 1400 user-selectable UHF frequencies and a comprehensive LCD displays group and channel information and more. An input attenuation switch allows 0dB and 20dB output. Adjustable audio gain control is provided and the transmitter boasts 8-9 hour battery life on a single 9V battery.

The WL185 lavalier microphone features cardioid pick-up pattern which minimizes off-axis noise and feedback caused by speakers or stage monitors. The WL185 features a 50-17,000Hz frequency response making it suitable for a wide variety of applications.

ULX1 bodypack transmitter and WL185 subminiature lavalier microphone
Automatic Frequency Selection with group scan function
Up to 1440 selectable frequencies
5-segment transmitted audio signal strength meter
RF indicator
3-segment transmitter battery fuel gauge
Advanced multi-function LCD displays group and channel
Mic/Line switch
Detachable 1/4-wave antenna
XLR and 1/4-inch output
Rugged plastic chassis
1/2 rack design

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 (100 m) NOTE: Actual working range depends on RF signal absorption, reflection, and interference
Overall Frequency Response 25 Hz – 15 kHz, (±2 dB)
Signal-to-Noise Ratio Greater Than 90 dB
# Of Channels Over 1400 User-Selectable Frequencies (Frequency J1 / 554 – 590 MHz)
# Of Simultaneous Systems Up to 20

Type of Receiver ULXP4 Professional Rack/Table-Top Mount 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 – 18 VDC (negative ground), 550 mA
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) 1.72 x 8.56 x 6.88″ (43 x 214 x 172 mm)
Weight 2.44 lb (1105 g)

Type of Transmitter ULX-1 Bodypack UHF Transmitter
Type of Input Connector TAF4 4-Pin Mini Connector
Type of Microphone WL185 (Electret Bias) Condenser Lavalier Microphone
Polar Pattern Cardioid
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
9 V Lithium Battery / 21 Hours (Recommended)
9 V Alkaline Battery / 8 – 9 Hours (Recommended)
9 V Carbon-Zinc Battery / 5 Hours (NOT Recommended)

Rechargeable Type
9 V Ni-Cad Battery / 2 Hours (NOT Recommended)
9 V Ni-MH Battery / 2.5 Hours (NOT Recommended)
Mute Switch Yes
Level Control Yes, 25 dB Gain Adjustment Range
Antenna Type Remotable 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″ (96.5 x 67 x 26.7 mm)
Weight 2.8 oz (79 g) without Battery