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All Products > Electromechanical > Audio Devices > Microphones

Knowles Piezo Ceramic Microphones BL Series

Knowles Piezo Ceramic Microphones BL Series are rugged, stable and versatile. BL microphones are available in three different package sizes: standard, thin or 0.5" cylindrical shell and cable assembly. Both communication and broadband frequency response versions are offered. In addition, BL microphones have high vibration sensitivity and may be used as accelerometers.
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Category   Electromechanical >  Audio Devices >  Microphones

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Knowles BL-21994-000
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Knowles Microphones 7.92 X 5.59 X 2.28MM -69 SENS, TOP PORT
Page 2,942

Data Sheet
20
In Stock
1: $142.44
2: $140.00
5: $137.70
25: $123.45
50: View



Min.: 1
Mult.: 1
Omnidirectional 4 kOhms 3 V 160 uA - 69 dB Wire Leads 25.4 mm 25.6 mm
Knowles BL-21785-000
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Knowles Microphones -69 Sens, 12S Port 34dB
Page 2,942

Data Sheet
4
In Stock
1: $71.81
2: $70.58
5: $69.42
25: $62.24
50: View



Min.: 1
Mult.: 1
Omnidirectional 4 kOhms 1.3 V 160 uA - 69 dB Solder Pad 7.87 mm 5.54 mm 2.29 mm
Knowles BL-21671-000
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Knowles Microphones 7.92 X 5.59 X 2.28MM -54.5 SENS, 12S PORT
Data Sheet Lead-Time 10 Weeks
1: $48.98
5: $46.71
10: $45.92
25: $41.33
50: View



Min.: 1
Mult.: 1
Omnidirectional 13 kOhms 1.3 V 50 uA - 54 dB Solder Pad 7.87 mm 5.54 mm 4.13 mm
Knowles BL-23497-000
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Knowles Microphones 7.92 X 5.59 X 2.28MM -69 SENS, TOP PORT
Page 2,942

Data Sheet
N/A
1: $131.78
2: $129.53
5: $127.40
25: $114.22
50: View



Min.: 1
Mult.: 1
Omnidirectional 4 kOhms 3 V 160 uA - 69 dB Wire Leads 25.6 mm
Compare up to 20 parts.
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