Used Shure SM93 Omni-Directional Condenser Micro-Lavalier Wired Microphone.

Condenser (electret bias)

Body-worn applications in TV broadcasting, theater, and sound reinforcement.

80 to 20,000 Hz, 12 dB/octave rolloff below 100 Hz

Omnidirectional, uniform with frequency

Rated at 150 ohms. (90 ohms. actual) Recommended minimum load impedance: 800 ohms.. (May be used with loads as low as 150 ohms. with reduced clipping level)

Open Circuit Voltage: 43 dBV/Pa (7.0 mV)
Output Clipping Level (at 1,000 Hz): -18 dBV (0.13 V) minimum
Total Harmonic Distortion: Less than 1% at 120 dB
Maximum SPL: 120 dB
Dynamic Range (maximum SPL to A-weighted noise level): 98 dB
Output Noise (equivalent SPL): 22 dB typical, A-weighted 26 dB, weighted per DIN 45 405
Hum Pickup (electromagnetic): 4 dB equivalent SPL in a 1 mOe field (60 Hz)
Signal-to-Noise Ratio : 72 dB at 94 dB SPL (IEC 651)

XLR-3M Type , Preamp Output Termination

Positive pressure on microphone diaphragm produces positive voltage on pin 2 relative to pin 3 of preamplifier output cable connector

Microphone: 16 g (0.57 oz)
Preamplifier: 118 g (4.17 oz)