SHURE UL4
UniPlex Cardioid Lavalier Microphone
When direction matters. UniPlex delivers superb directional capture of your voice for presentations, conferences, education, broadcast and more. A lavalier microphone with a cardioid polar pattern, UniPlex is the perfect solution for speaking situations when rejection of sound from stage noise, an audience, or close-proximity presenters is called for.
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Tailored for Speech
Ideal for corporate presentations and guest speakers in conference rooms, lecture halls, theaters and arenas, UniPlex is a directional lapel microphone that delivers excellent isolated audio capture. Tailored for speech and presentations, UniPlex is offered in four colors and three connector types, and ships with a protective case, snap-fit windscreen and a tie clip.

Why It's Better
Directional Capture
The perfect lavalier for speaking situations when rejection of sound from audience, close-proximity presenters, or stage noise is a concern.

Durable Shure Plex Cable
The same 1.6 mm cable featured in the award-winning TwinPlex line. Dual-redundant ground doubles as a secondary shield for unprecedented flex life.
Exceptional Sound – Tailored for Speech
Clear, clean, directional capture tailored specifically for presentations, education, conferences, and broadcast.

Quality that’s in the Details
- 5 mm cardioid lavalier microphone for professional presentations, conferencing, education, and broadcast.
- Advanced 1.6 mm Shure Plex cable for unprecedented longevity.
- Available in four colors: Black, Cocoa, Tan, White.
- Available in three connector types: TA4F, LEMO*, XLR.
- Included Kit: Case, Snap-fit Windscreen, and Single Tie Clip.
*NOTE: Shure UniPlex UL4 lavalier microphone with LEMO termination is compatible only with Shure LEMO bodypack transmitters and preamplifiers.
Find An Answer
How to Choose the Best Lavalier Microphone
Shure Lavalier / Headset compatibility with Wireless Systems
TwinPlex: Takes the Stage
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

| 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 |
- 1 Single Tie-Clip
- 1 Snap-fit Wind Screen
- 1 Case
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