By: Shure
Microphones, Headphones & Wireless systems
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
Earset Headworn Microphone
The Shure Microflex Microphone Series MX 153 is a professional subminiature earset microphone ideal for applications in which improved gain before feedback over lavalier microphones is desired. Delivering exceptional speech clarity, the discreet, low-profile MX153 is ideal for corporate presentations, houses of worship, A / V conferencing, and live sound reinforcement.

Available in three color options, the MX-153 provides outstanding clarity in an extremely comfortable over-the-ear design.
Subminiature, omnidirectional cartridge offers superior speech clarity and enhanced plosive protection with no proximity effect
Terminated with TQG/TA4F connector for direct connectivity to Shure wireless bodypack transmitters
Ultra-lightweight, comfortable, flexible design is stable and easy to place over either ear
CommShield® Technology guards against interference from cellular RF devices and digital bodypack transmitters
Kevlar reinforced, soft flex cable
Matte black, tan, and cocoa color options available
Includes protective storage pouch, 3 windscreens, and collar clip
Transducer Type Electret Condenser
Polar Pattern Omnidirectional
Frequency Response 20 to 20,000 Hz
Output Impedance N/A
Sensitivity open circuit voltage, @ 1 kHz, typical -41 dBV/Pa[1] (9 mV/Pa)
Maximum SPL 1 kHz at 1% THD[2]; 2500 O load= 107 dB SPL; 1000 O load= 107 dB SPL
Signal-To-Noise Ratio[3] 60 dB
Dynamic Range @ 1 kHz 2500 O load= 73 dB; 1000 O load= 73 dB
Self Noise equivalent SPL, A-weighted, typical 34 dB
Common Mode Rejection 20 to 20,000 Hz N/A
Operating Temperature Range -18°C (0°F) to 57°C (135°F)
Polarity Positive pressure on diaphragm produces negative voltage on pin 3 with respect to pin 1
Power Requirements 1–5 V DC (500 mA max.)
Weight 19.76 g

[1] 1 Pa=94 dB SPL
[2] THD of microphone preamplifier when applied input signal level is equivalent to cartridge output at specified SPL
[3] S/N ratio is the difference between 94 dB SPL and equivalent SPL of self noise, A-weighted

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Prices and specifications subject to change without notice.