The Shure MX153 Earset Headworn Microphone is a subminiature, low-profile single ear-loop microphone with high gain before feedback, rich detail and clarity. The MX153 features a TQG terminated connector for use with compatible Shure bodypack transmitters. The sleek single ear-loop frame features a subminiature capsule with an omnidirectional polar pattern for optimal sensitivity and clarity at all times. The MX153 is ideal for corporate presentations, houses of worship, A/V conferencing, and live sound reinforcement applications.
| Transducer | Electret Condenser |
| Polar Pattern | Omnidirectional |
| Frequency Response | 20Hz to 20kHz |
| Sensitivity | Open circuit voltage, @ 1kHz, typical: -41dBV/Pa (9 mV/Pa) |
| Maximum Input Sound Level |
1kHz at 1% THD: 2500 Ω load: 107 dB SPL 1000 Ω load: 107 dB SPL |
| Signal-to-Noise Ratio | 60dB |
| Dynamic Range (Typical) |
@ 1kHz 2500 Ω load: 73 dB 1000 Ω load: 73 dB |
| Self Noise | Equivalent SPL, A-weighted, typical: 34dB |
| Common Mode Rejection | 20Hz to 20kHz |
| Operating Temperature | 0 to 135° F (-18 to 57° C) |
| Polarity | Positive pressure on diaphragm produces negative voltage on pin 3 with respect to pin 1. |
| Power Requirements | +1 - 5VDC (500 μA max.) |
| Dimensions | Cable Length: 48" (1.21m) |
| Weight | 0.69oz (19.76g) |