Shure SM39 Cardioid Headset Microphone

The Shure SM39, a cardioid headset, keeps a singer’s or speaker’s voice clear and steady through an active performance.

Its electret condenser capsule has a cardioid pattern that isolates the voice and rejects over 20 dB of off-axis sound. The headband adjusts in width, and the flexible boom bends and locks into place, for a secure fit that stays put. A sweat-resistant coating and rugged build stand up to long sets.

It works with Axient Digital and other Shure wireless systems, with a TA4F connector for Shure TA4F bodypacks or a 3-pin LEMO. An indoor and an outdoor windscreen and a collar clip come with it, and the headset cleans with mild soap or disinfecting wipes.

Features

Cardioid electret condenser headset
Over 20 dB off-axis rejection
Adjustable headband and boom
Sweat-resistant coating
TA4F or 3-pin LEMO connector
Indoor and outdoor windscreens included

Available Options

Connector	Part Number	Sensitivity
TA4F	SM39-TQG	−47.2 dBV/Pa
3-Pin LEMO	SM39-LM3	−40.3 dBV/Pa

What's Included

SM39 headset microphone
Indoor windscreen
Outdoor windscreen
Collar clip

Specifications

Microphone
Type	Electret condenser
Polar Pattern	Cardioid
Frequency Response	70 Hz – 20 kHz
Sensitivity	TA4F −47.2 dBV/Pa; LEMO −40.3 dBV/Pa
Signal-to-Noise Ratio	TA4F 70.9 dB; LEMO 71.9 dB
Maximum SPL	TA4F 144.2 dB SPL; LEMO 134.1 dB SPL
Dynamic Range	TA4F 121.1 dB; LEMO 112 dB
Equivalent Output Noise	TA4F 23.1 dB SPL-A; LEMO 22.1 dB SPL-A
Power	+5 V DC
Cable	1.5 m (59 in)
Weight	TA4F 55.4 g; LEMO 54.4 g
Latest Specifications	Specifications are subject to change without prior notice. For current information, visit www.shure.com.