Shure SM39 Cardioid Singing Headset Microphone (LEMO)

About: Shure SM39 Cardioid Singing Headset Microphone (LEMO)

The Shure SM39 delivers exceptional sound quality, dependable stability, and total freedom for dynamic performers who command the stage. Its low-profile, ergonomic frame ensures extended comfort, while seamless compatibility with Axient Digital and all Shure wireless systems guarantees interference-free audio. Designed for bold movements and engineered for clear, powerful vocals, the SM39 helps artists deliver unforgettable performances with uncompromising sound.

Every Move, Every Note. Flawless Performance.

• Vocal Clarity That Commands Attention: The cardioid polar pattern isolates the voice and rejects background noise, while the flexible mic boom ensures perfect placement for clear, powerful sound.
• Wireless You Can Trust: Compatible with Axient Digital and all Shure wireless systems for reliable, uninterrupted audio on any stage.
• Built for Dynamic Performances: An adjustable, secure fit supports bold moves and stays steady through demanding shows.
• Ready for the Stage: With sweat-resistant coating and rugged construction, the SM39 withstands the most challenging performances.
• Comfort That Lasts: A lightweight, ergonomic design ensures a natural fit, allowing performers to stay focused during long sets.

How It Works

The SM39 vocal headset mic uses its cardioid polar pattern to isolate vocals while rejecting unwanted noise, ensuring consistent, clear sound. The adjustable boom and secure fit keep the microphone in place during intense movements, delivering reliable performance. From intimate settings to massive stages, the SM39 offers clarity and dependability to captivate any audience.

Why It's Better

• All-Day Comfort: Ergonomic frame provides unmatched comfort with a sweat-resistant, secure fit even during the most intense performances.
• Superior Sound Quality: Cardioid polar pattern and over 20 dB of off-axis rejection deliver clean, accurate sound in noisy environments.
• Freedom Without Limits: Full Axient Digital and Shure wireless systems compatibility allows unrestricted movements and flawless sound.

Specifications

• Type: Electret Condenser
• Frequency Response: 70 Hz to 20,000 Hz
• Polar Pattern: Unidirectional (Cardioid)
• Output Impedance @ 1 kHz, using RPM400 Preamplifier: 95 Ω
• Sensitivity: -40.3 dBV/Pa
• Signal-to-Noise Ratio: 71.9 dB
• Maximum SPL: 134.1 dB SPL
• Dynamic Range: 112 dB
• Self Noise: -112.2 dBV-A
• Equivalent Output Noise: 22.1 dB SPL-A
• Power Requirements
  • Recommended operating voltage provided at microphone connector on pin 2 relative to pin 1.
  • +5 V DC
• Polarity: ​Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1.
• Cable: 1.5 m (59 in.)
• Connector: LEMO
• Net Weight: 54.4 g

What's in the Box

• 1x SM39 Singing Headset Microphone (LEMO)
• 1x Indoor Windscreen
• 1x Outdoor Windscreen
• 1x Collar Clip