Sanken Cos-11D Lavalier Microphones

These Sanken Cos-11 microphones are a fantastic piece of kit, providing crystal clear voices in a a very hide-able form factor.
The included rubber mounts are invaluable when it comes to mounting these mics (i use rycote double sided sticky pads).
These mics are tiny, water resistant, and deliver lovely crisp audio especially when worn under clothing, far surpassing audio quality of any standard lav such as the ME2.

Model COS-11D COS-11D BP (BATTERY POWERED) COS-11D PT (PIGTAIL)
Directivity Omni-directional Omni-directional Omni-directional
Transducer Pre-polarized condenser Pre-polarized condenser Pre-polarized condenser
Frequency response 50Hz – 20kHz 50Hz – 20kHz 50Hz – 20kHz
Sensitivity (±2dB at 1kHz) 17.8mV/Pa (-35dB) 6.0mV/Pa(-44.5dB) 8.9mV/Pa(-41dB) RM: 3.2mV/Pa(-50dB) 10kΩ load
Equivalent noise level (A weighted) Less than 28dB-A Less than 28dB-A Less than 28dB-A
Signal to noise ratio (A-weighted) More than 66dB More than 66dB More than 66dB
Max SPL (1% THD) 127dBSPL 120dBSPL 123dBSPL
RM:132dBSPL
Output impedance at 1kHz ( ±30%) 180 Ohms 200 Ohms 700 Ohms
Powering +48V±4V U.P.F 1.5V AA battery or
+12V ~ +52V phantom
+3V ~ +10V to Black wire
Current consumption Less than 2mA Less than 0.8mA Less than 0.3mA
Weight 235g (8.3oz) (excluding cable) DC biased condenser DC biased condenser
Dimensions 4.0mm X 16.1 mm (0.16″ x 0.63″) 4.0mm X 16.1 mm (0.16″ x 0.63″) 4.0mm X 16.1 mm (0.16″ x 0.63″)
Surface finish Baked painting Baked painting Baked painting
Connector XLR-3M
Pin 1: Ground
Pin 2: signal positive
Pin 3: signal negative
XLR-3M
Pin 1: Ground
Pin 2: signal positive
Pin 3: signal negative
Stripped cable ends (no connector)
Shield: Ground
White: source
Black: drain

Source: https://www.sankenmicrophones.com/production/lavalier/cos-11d/

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