Shure UL4B/C-XLR-A UniPlex Ultra-Compact Cardioid Lavalier Microphone with XLR Connector - Sleek Black
The Shure UniPlex UL4 is a top-notch MEMS lavalier microphone perfect for speech and performance in broadcast, corporate, and conference settings. Its ultra-compact design and custom cardioid element deliver outstanding audio quality.
The advanced 1.6 mm Shure Plex cable, first seen in the award-winning TwinPlex subminiature microphone, outlasts competitors due to its dual redundant ground that doubles as a secondary shield. It's also immune to the memory effect, won't kink, and can be fully painted.
Features:
- • Compact 5 mm cardioid design for discrete placement and better gain-before-feedback
- • Exceptional sound quality for speech and presentations
- • Advanced 1.6 mm Shure Plex cable:
- • Dual redundant ground acts as secondary shield for long-lasting performance
- • Free from memory effect and kinks
- • Can be painted with regular theater paints, pens, and polishes
- • Color: Sleek Black
- • Connector type: XLR
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
- • 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-XLR-A UniPlex microphone is perfect for those in broadcast, corporate, or conference settings who need great audio for speech and performance. It's small and discreet, with a 5 mm cardioid design. The included 1.6 mm Shure Plex cable is long-lasting and easy to use. The microphone has a frequency response of 40 Hz to 20 kHz, a sensitivity of –42.5 dBV/Pa, and a self-noise of 32 dB SPL-A A-weighted. It weighs just 12.5 g (0.44 oz) and has a cable length of 66.0 in (1.67 m).