Earset Headworn Microphone
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By: Shure
Microphones, Headphones & Wireless systems
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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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Audio Video Supply Inc.
4542 Ruffner St. Suite 220
San Diego, CA 92111
Prices and specifications subject to change without notice.