Shure UL4B/C-LM3-A Black UniPlex Cardioid Subminiature Lavalier Microphone with LM3 Connector - Your Perfect Audio Companion
The Shure UniPlex UL4 is a professional MEMS lavalier microphone, ideal for speech and performance in broadcast, corporate, and conference settings. Its subminiature design and custom cardioid element deliver outstanding audio.
• Discreet 5 mm cardioid subminiature design for easy placement and better gain-before-feedback
• Professional sound quality for speeches and presentations
• Advanced 1.6 mm Shure Plex cable with dual redundant ground for long-lasting performance, immune to memory effect and kinks, and fully paintable
This microphone comes in black, with an LEMO connector type, and includes a case, snap-fit windscreen, and single tie clip.
Specifications:
- Microphone Capsule: MEMS
- Polar Pattern: Cardioid
- Frequency Response: 40 Hz to 20 kHz
- Sensitivity: –42.5 dBV/Pa (Pa=94 dB SPL)
- Self-Noise: 32 dB SPL-A A-weighted, Equivalent Acoustical
- Signal-to-Noise Ratio: 62 dB-A
- Maximum SPL: 130.0 dB SPL 1 kHz @ 1% THD, typical
- Dynamic Range: 98 dB Typical
- Microphone Current Draw: 530 μA, maximum
- Bias Voltage Recommended Operating Voltage: 3.5-5 VDC (5.5VDC MAX)
- Housing: Molded ABS
- Polarity: (LEMO) Positive pressure on diaphragm produces positive voltage on Pin 3 with respect to Pin 1
- Cable Diameter: 1.6 mm
- Cable Length: 66.0 in (1.67 m)
- Net Weight: 12.5 g (0.44 oz)
- Capsule Dimensions (L × D): 17 mm × 5 mm



The Shure UL4B/C-LM3-A UniPlex Cardioid Subminiature Lavalier Microphone is perfect for those who need high-quality audio in broadcast, corporate, or conference settings. Whether you're a speaker, performer, or presenter, this microphone will deliver professional sound. It has a subminiature design for easy placement and a custom cardioid element for great audio performance. The advanced 1.6 mm Shure Plex cable ensures long-lasting use. The microphone comes in black, with an LEMO connector type. It includes a case, snap-fit windscreen, and single tie clip. The microphone capsule is MEMS, with a cardioid polar pattern. Frequency response is 40 Hz to 20 kHz. It has a sensitivity of –42.5 dBV/Pa, self-noise of 32 dB SPL-A A-weighted, and a signal-to-noise ratio of 62 dB-A. Maximum SPL is 130.0 dB SPL 1 kHz @ 1% THD, typical. Dynamic range is 98 dB typical. Microphone current draw is 530 μA maximum. Bias voltage recommended operating voltage is 3.5-5 VDC (5.5VDC MAX). Housing is molded ABS. Polarity is such that positive pressure on diaphragm produces positive voltage on Pin 3 with respect to Pin 1. Cable diameter is 1.6 mm, cable length is 66.0 in (1.67 m), net weight is 12.5 g (0.44 oz), and capsule dimensions are 17 mm × 5 mm.