ECM Microphones

Advanced Acoustic Technology Corp. (AATC) ECM Microphones feature a -52dB to -25dB sensitivity range, 200µA to 500µA current range, and up to 4.5V voltage rating. These AATC ECM microphones offer noise-canceling, omnidirectional, and unidirectional options. Omnidirectional microphones can receive sound from all angles, while unidirectional microphones receive sound from the front. 

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Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Directional Properties
Impedance
Current Rating
Sensitivity
Termination Style
IP Rating
Diameter
Length
Depth
Operating Supply Voltage
AATC Microphones Microphone -38dB Omnidirectional
Datasheet
1,041In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 38 dB Wire Lead IP67 4 mm 1.5 mm 2 V
AATC Microphones Microphone -42dB Omnidirectional
Datasheet
740In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 42 dB Wire Lead 4 mm 1.5 mm 2 V
AATC Microphones Microphone -44dB Omnidirectional
Datasheet
752In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 44 dB Wire Lead 9.7 mm 6.5 mm 2 V
AATC Microphones Microphone -46dB Uni-directional
Datasheet
751In Stock
Min.: 1
Mult.: 1

Unidirectional 2.2 kOhms 500 uA - 46 dB Solder Pin 9.7 mm 5 mm 2 V
AATC Microphones Microphone -42dB Omnidirectional
Datasheet
844In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 42 dB Solder Pin 4 mm 1.5 mm 2 V
AATC Microphones Microphone -44dB Omnidirectional
Datasheet
638In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 44 dB Solder Pin 6 mm 6 mm 2.2 mm 2 V
AATC Microphones Microphone -36dB Omnidirectional
Datasheet
998In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 36 dB Wire Lead 9.7 mm 6.5 mm 2 V
AATC Microphones Microphone -40dB Omnidirectional
Datasheet
838In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 40 dB Wire Lead IP67 4 mm 1.5 mm 2 V
AATC Microphones Microphone -38dB Omnidirectional
Datasheet
543In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 38 dB Wire Lead IP67 4 mm 1.5 mm 2 V
AATC Microphones Microphone -47dB Uni-directional
Datasheet
922In Stock
Min.: 1
Mult.: 1

Unidirectional 2.2 kOhms 500 uA - 47 dB Wire Lead 6 mm 5 mm 2 V
AATC Microphones Microphone -40dB Omnidirectional
Datasheet
899In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 40 dB Wire Lead 4 mm 1.5 mm 2 V
AATC Microphones Microphone -42dB Omnidirectional
Datasheet
959In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 42 dB Solder Pin 4 mm 1.5 mm 2 V
AATC Microphones Microphone -42dB Omnidirectional
Datasheet
812In Stock
Min.: 1
Mult.: 1

Omnidirectional 1.5 kOhms 500 uA - 42 dB Wire Lead 9.7 mm 4.5 mm 1.5 V
AATC Microphones Microphone -42dB Omnidirectional
Datasheet
984In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 42 dB Wire Lead 6 mm 5 mm 2 V
AATC Microphones Microphone -42dB Omnidirectional
Datasheet
996In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 42 dB Wire Lead 9.7 mm 6.5 mm 2 V
AATC Microphones Microphone -36dB Omnidirectional
Datasheet
967In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 36 dB Solder Pin 9.7 mm 6.5 mm 4.5 V
AATC Microphones Microphone -44dB Omnidirectional
Datasheet
959In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 44 dB Wire Lead 6 mm 2.7 mm 2 V
AATC Microphones Microphone -44dB Omnidirectional
Datasheet
900In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 44 dB IP67 4 mm 1.5 mm 2 V
AATC Microphones Microphone -42dB Omnidirectional
Datasheet
1,000In Stock
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 42 dB Wire Lead 6 mm 6 mm 2.2 mm 2 V
AATC Microphones Microphone -30dB Omnidirectional
Datasheet
1,000Expected 2026-03-18
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 30 dB Solder Pin 4 mm 1.5 mm 2 V
AATC Microphones OMNIDIRECT 6x5mm
Datasheet
86Expected 2026-04-22
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 44 dB Solder Pin 6 mm 5 mm 2 V
AATC Microphones Microphone -46dB Omnidirectional
Datasheet
998Expected 2026-04-15
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 46 dB Wire Lead 6 mm 5 mm 2 V
AATC Microphones Microphone -27dB Omnidirectional
Datasheet
Non-Stocked
Min.: 1,000
Mult.: 100

Omnidirectional 2.2 kOhms 500 uA - 27 dB Wire Lead 4 mm 1.5 mm 2 V
AATC Microphones Microphone -38dB Omnidirectional
Datasheet
Non-Stocked
Min.: 1,000
Mult.: 100

Omnidirectional 2.2 kOhms 500 uA - 38 dB Wire Lead IP67 4 mm 1.5 mm 2 V
AATC Microphones Microphone -40dB Omnidirectional
Datasheet
Non-Stocked
Min.: 1
Mult.: 1

Omnidirectional 2.2 kOhms 500 uA - 40 dB Wire Lead 4 mm 1.5 mm 2 V