General Description

a diagram showing the Shure Uniplex UL4 microphone, a corded subminiature lavalier microphone.

The Shure UniPlex UL4 is a professional subminiature cardioid lavalier microphone that is ideal for speech applications in broadcast, corporate, and conference environments. The subminiature design and custom cardioid element provide robust audio performance. Each microphone is supplied with a storage pouch, single tie clip, and snap-fit windscreen.

Features

  • 5 mm cardioid subminiature design for discrete placement
  • 1.6 mm PLEX Cable technology, paintable cable, and no memory effect
  • Professional sound quality for speech applications
  • High RF immunity, compatible with Shure digital wireless systems without RF interference
  • Included case, tie clip, and windscreen
  • TA4F and LEMO terminations for variable wireless system connectivity
  • Available in Black, Tan, Cocoa, and White finishes

Note: Only use UL4 with Shure wireless systems

Lavalier Distance

A diagram showing the UL4 microphone placed 15 to 25 centimeters (6 to 10 inches) away from the speaker.

Tie Clip

a diagram showing the UL4 looping around and clipping into the tie clip, with the element facing up towards the speaker.

Snap-Fit Windscreen

A diagram showing the windscreen snapping down onto on the UL4 and being removed by pulling up.

Accessories

Furnished Accessories

Furnished Accessories UL4 Black UL4 Tan UL4 Cocoa UL4 White
Single Tie Clip RPMDL4STC/B (1) RPMDL4STC/T (1) RPMDL4STC/C (1) RPMDL4STC/W (1)
Snap-Fit Windscreen RPMUL4SFWS/B (1) RPMUL4SFWS/T (1) RPMUL4SFWS/C (1) RPMUL4SFWS/W (1)
Case RPMDL4CASE RPMDL4CASE RPMDL4CASE RPMDL4CASE
Preamplifier (UL4B/C-XLR only) RPM400TQG N/A N/A N/A

Accessories are available in Black (/B), Tan (/T), Cocoa (/C), and White (/W) color varieties. Please consult your Shure representative for available options.

Optional Accessories

TA4F/TQG XLR Preamplifier RPM400TQG
Lemo XLR Preamplifier RPM400LEMO
Black Dual Tie Clip, qty.1 RPMDL4DTC/B
White Dual Tie Clip, qty.1 RPMDL4DTC/W
Tan Dual Tie Clip, qty.1 RPMDL4DTC/T
Cocoa Dual Tie Clip, qty.1 RPMDL4DTC/C

Replacement Parts

RPMUL4SFWS/B

UL4 SNAP-FIT WINDSCREEN, BLACK, QTY 3

RPMUL4SFWS/C

UL4 SNAP-FIT WINDSCREEN, COCOA, QTY 3

RPMUL4SFWS/T

UL4 SNAP-FIT WINDSCREEN, TAN, QTY 3

RPMUL4SFWS/W

UL4 SNAP-FIT WINDSCREEN, WHITE, QTY 3

RPMDL4STC/B*

SINGLE TIE CLIP, BLACK, QTY. 3

RPMDL4STC/C*

SINGLE TIE CLIP, COCOA, QTY. 3

RPMDL4STC/T*

SINGLE TIE CLIP, TAN, QTY. 3

RPMDL4STC/W*

SINGLE TIE CLIP, WHITE, QTY. 3

RPMDL4CASE*E

DL4 POUCH, LAVALIER

*Also compatible with DuraPlex and TwinPlex 1.6 mm microphones.

Specifications 

Microphone Capsule

MEMS

Polar Pattern

Cardioid

Frequency Response

40 Hz to 20 kHz

Sensitivity

MTQG -42 dBV/Pa [1]
LEMO -37 dBV/Pa [1]

Self-Noise, A-Weighted, Equivalent Acoustical

MTQG 32 dB SPL-A
LEMO 32 dB SPL-A

Signal-To-Noise Ratio [2]

MTQG 62 dB-A
LEMO 62 dB-A

Maximum SPL [3]

130 dB SPL,1 kHz at 1% THD, typical

Dynamic Range

98 dB typical

Microphone Current Draw

530 µA, maximum

Bias Voltage

Recommended Operating Voltage

3.5-5 V DC minimum, 5.5 V DC maximum

Housing

Molded ABS

Polarity

MTQG Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1
LEMO Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1

Cable Diameter

1.6 mm

Cable Length

66 in. (1.67 m)

Net Weight

12.5 g (0.44 oz.)

[1] 1 Pa=94 dB SPL

[2] S/N ratio is the difference between 94 dB SPL and equivalent SPL of self noise, A-weighted

[3] THD of microphone preamplifier when applied input signal level is equivalent to cartridge output at specified SPL

Dimensions

An illustration of DL4 marking Cable Length as A, Cable Diameter as B, Microphone Length as C, and Microphone Diameter as D.

A B C D
Cable Length Cable Diameter Microphone Length Microphone Diameter
UL4 66 in. (1.67 m) 1.6 mm 17 mm 5 mm

Frequency Response

A graph showing the frequency response of the UL4 microphone., رسم بياني يُظهر استجابة التردد لميكروفون UL4., Ein Schaubild, das den Frequenzgang des UL4-Mikrofons zeigt., Un gráfico que muestra la respuesta en frecuencia del micrófono UL4., Un graphique représente la réponse en fréquence du microphone UL4., Sebuah grafik menampilkan respons frekuensi mikrofon UL4., Un grafico della risposta in frequenza del microfono UL4., UL4マイクロホンの周波数特性を示すグラフ。, UL4 마이크의 주파수 응답을 보여주는 그래프., Een grafiek die de frequentieweergave van de UL4 microfoon toont., Uma imagem mostrando a resposta de frequência do microfone UL4., График, на котором показана частотная характеристика микрофона UL4., UL4 话筒频率响应图。, 示意圖:UL4 咪高峰的頻率響應。

Polar Pattern

A graph showing the typical polar pattern of UL4.

Wiring and Termination

Typical Wiring Table

Series Cable Construction Electrical Design Polarity Replacement Connector For Use With Wiring Line Art (From Solder Side)
UL4-MTQG 1.6 mm cable with 2 conductors, 2 shield wires and shield 3-Wire (Source Follower) Positive with respect to ground WA430 All Shure TA4F Bodypacks

Red wire: Bias (2)

Blue wire: Audio (3)

Shield wire: Ground (1)

Shield: Ground (Shell)

A wiring diagram showing the shield wire, blue wire, and red wire.
UL4-LEMO 1.6 mm cable with 2 conductors, 2 shield wires and shield 2-Wire (Common Source) Negative with respect to ground WA416 Shure Lemo bodypacks (ADX1-Lemo, Shure UR1M-Lemo, ULXD1-Lemo)

Red wire: Audio/Bias (3)

Blue wire: Bias (2)

Shield wire: Ground (1)

A diagram showing the shield wire, red wire, and blue wire of UL4.

MTQG Connector Assembly

Exploded View

Note: Make sure to solder the shield to ground collar.

Assembled View

Certifications

Note: Testing is based on the use of supplied and recommended cable types. The use of other than shielded (screened) cable types may degrade EMC performance.

The CE Declaration of Conformity can be obtained from: www.shure.com/europe/compliance

Authorized European representative:

Shure Europe GmbH

Global Compliance

Jakob-Dieffenbacher-Str. 12

75031 Eppingen, Germany

Phone: +49-7262-92 49 0

Email: info@shure.de

www.shure.com