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Knowles Microphones

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Directional Properties	Impedance	Current Rating	Sensitivity	Termination Style	Diameter	Length	Width	Depth	Operating Supply Voltage
Microphones 3M, NOISE CANCELING 160MM LONG, 2.7 DIA FB-BW-30335-000 Knowles 1: $70.15 331In Stock	Mfr. Part No. FB-BW-30335-000 Mouser Part No 721-FB-BW-30335-000	Knowles	Microphones 3M, NOISE CANCELING 160MM LONG, 2.7 DIA	Datasheet	331In Stock	$70.15 $54.05 $48.24 $45.51 Quote Quote	Min.: 1 Mult.: 1	Noise Cancelling	2.2 kOhms	300 uA	- 59 dBA	Wire Lead	8 mm	237 mm		4.5 mm	1.3 V
Microphones Omni-directional 3.61 x 3.61 x 31.3mm TO-24611-000 Knowles 1: $44.19 176In Stock	Mfr. Part No. TO-24611-000 Mouser Part No 721-TO-24611-000	Knowles	Microphones Omni-directional 3.61 x 3.61 x 31.3mm Learn More about Knowles to microphones	Datasheet	176In Stock	$44.19 $33.51 $30.20 $28.07 View $27.16 $27.01 Quote	Min.: 1 Mult.: 1	Omnidirectional	4.4 kOhms	50 uA	- 56 dBA	SMD/SMT		3.57 mm	3.57 mm	1.35 mm	1.3 V
Microphones -54 Sens, Flat Rsp. Noise-Cancelling WP-23501-000 Knowles 1: $42.36 89In Stock	Mfr. Part No. WP-23501-000 Mouser Part No 721-WP-23501-000	Knowles	Microphones -54 Sens, Flat Rsp. Noise-Cancelling Learn More about Knowles wp series mics		89In Stock	$42.36 $32.08 $28.92 $26.88 View $26.12 $25.86 Quote	Min.: 1 Mult.: 1	Noise Cancelling	2.5 kOhms	300 uA	- 54 dBA	SMD/SMT		5.56 mm	3.99 mm	2.26 mm	1.3 V
Microphones 1M, NOISE CANCELING 172MM LONG, 5.4 DIA FB-EI-30026-000 Knowles 1: $75.84 64In Stock	Mfr. Part No. FB-EI-30026-000 Mouser Part No 721-FB-EI-30026-000	Knowles	Microphones 1M, NOISE CANCELING 172MM LONG, 5.4 DIA	Datasheet	64In Stock	$75.84 $59.05 $53.09 $50.83 View $49.72 Quote	Min.: 1 Mult.: 1	Noise Cancelling	150 Ohms		- 100 dBA	Wire Lead	18 mm			7.6 mm
Microphones 4.0 X 5.59 X 2.28MM -49 SENS, JA/JK PORT NR-25994-000 Knowles 1: $22.65 96In Stock	Mfr. Part No. NR-25994-000 Mouser Part No 721-NR-25994-000	Knowles	Microphones 4.0 X 5.59 X 2.28MM -49 SENS, JA/JK PORT	Datasheet	96In Stock	$22.65 $17.07 $15.47 $14.43 View $13.47 $13.44 Quote	Min.: 1 Mult.: 1	Noise Cancelling	4.4 kOhms	50 uA	- 49 dBA	SMD/SMT		5.56 mm	3.99 mm	2.26 mm	10 V
Microphones omni-directional MICROPHONE Knowles MQM-32325-000 MQM-32325-000 Knowles 1: $9.37 73In Stock	Mfr. Part No. MQM-32325-000 Mouser Part No 721-MQM32325000	Knowles	Microphones omni-directional MICROPHONE	Datasheet	73In Stock	$9.37 $7.29 $6.61 $6.16 View $5.77 $5.65 $5.42 $5.39	Min.: 1 Mult.: 1	Omnidirectional
Microphones Boom Assembly Knowles FB-EI-31552-000 FB-EI-31552-000 Knowles 1: $117.18 19In Stock	Mfr. Part No. FB-EI-31552-000 Mouser Part No 721-FBEI31552000	Knowles	Microphones Boom Assembly	Datasheet	19In Stock	$117.18 $91.44 $81.12	Min.: 1 Mult.: 1					Wire Lead	18 mm			7.6 mm
Microphones -75 Sens, 0Jn Port Omni BJ-21590-000 Knowles 1: $48.04 738In Stock	Mfr. Part No. BJ-21590-000 Mouser Part No 721-BJ-21590-000	Knowles	Microphones -75 Sens, 0Jn Port Omni	Datasheet	738In Stock	$48.04 $36.85 $34.44 $33.18 View $32.24 Quote	Min.: 1 Mult.: 1	Omnidirectional	3.9 kOhms		- 75.5 dBA	SMD/SMT		7.87 mm	5.59 mm	4.06 mm
Microphones -53 Sens, 12S Port Std. Rsp. 3500-5000 EK-23024-C36 Knowles 1: $30.22 2,516In Stock	Mfr. Part No. EK-23024-C36 Mouser Part No 721-EK-23024-C36	Knowles	Microphones -53 Sens, 12S Port Std. Rsp. 3500-5000 Learn More about Knowles subminiature performance microphones	Datasheet	2,516In Stock	$30.22 $23.09 $20.94 $19.51 View $18.18 $17.92 $16.91	Min.: 1 Mult.: 1	Omnidirectional	4.4 kOhms	50 uA	- 53 dBA	SMD/SMT		5.56 mm	3.98 mm	2.21 mm	10 V
Microphones Waterproof Speaker Omni MR-23151-000 Knowles 1: $54.16 408In Stock 400Expected 20/11/2026	Mfr. Part No. MR-23151-000 Mouser Part No 721-MR-23151-000	Knowles	Microphones Waterproof Speaker Omni	Datasheet	408In Stock 400Expected 20/11/2026	$54.16 $42.42 $38.63 $36.15 View $34.78 Quote	Min.: 1 Mult.: 1	Omnidirectional	300 Ohms		- 87 dBA	Wire Lead	22.12 mm	9.3 mm		9.3 mm
Microphones 1M, OMNI, 211MM WIRE 12.7MM DIA X 21MM VEK-H-30108-000 Knowles 1: $91.72 325In Stock	Mfr. Part No. VEK-H-30108-000 Mouser Part No 721-VEK-H-30108-000	Knowles	Microphones 1M, OMNI, 211MM WIRE 12.7MM DIA X 21MM	Datasheet	325In Stock	$91.72 $70.65 $64.47 $63.49	Min.: 1 Mult.: 1	Omnidirectional			- 72 dBA	Wire Lead	12.7 mm	21 mm			9 V
Microphones 5.56 X 3.98 X 2.21MM -59 SENS, 12S PORT EA-21842-C36 Knowles 1: $29.80 137In Stock	Mfr. Part No. EA-21842-C36 Mouser Part No 721-EA-21842-C36	Knowles	Microphones 5.56 X 3.98 X 2.21MM -59 SENS, 12S PORT	Datasheet	137In Stock	$29.80 $22.76 $20.64 $19.23 View $17.93 $17.66 $17.47 Quote	Min.: 1 Mult.: 1	Omnidirectional	3.5 kOhms	50 uA	- 59 dBA	SMD/SMT		5.56 mm	3.99 mm	2.26 mm	10 V
Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 12S PORT EK-23024-000 Knowles 1: $28.55 105In Stock 300Expected 13/11/2026	Mfr. Part No. EK-23024-000 Mouser Part No 721-EK-23024-000	Knowles	Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 12S PORT Learn More about Knowles subminiature performance microphones	Datasheet	105In Stock 300Expected 13/11/2026	$28.55 $22.27 $20.47 $19.07 View $17.84 $16.91 Quote	Min.: 1 Mult.: 1	Omnidirectional	4.4 kOhms	50 uA	- 53 dBA	SMD/SMT		5.56 mm	3.98 mm	2.21 mm	1.3 V
Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 0KP PORT EK-23027-C36 Knowles 1: $30.22 140In Stock	Mfr. Part No. EK-23027-C36 Mouser Part No 721-EK-23027-C36	Knowles	Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 0KP PORT Learn More about Knowles subminiature performance microphones	Datasheet	140In Stock	$30.22 $23.09 $20.94 $20.71 View $19.30 $17.92 $17.73 Quote	Min.: 1 Mult.: 1	Omnidirectional	4.4 kOhms	50 uA	- 53 dBA	SMD/SMT		5.56 mm	3.98 mm	2.21 mm	10 V
Microphones 5.56 X 3.98 X 2.21MM -57 SENS, 12S PORT EK-23028-C36 Knowles 1: $28.51 402In Stock	Mfr. Part No. EK-23028-C36 Mouser Part No 721-EK-23028-C36	Knowles	Microphones 5.56 X 3.98 X 2.21MM -57 SENS, 12S PORT Learn More about Knowles subminiature performance microphones	Datasheet	402In Stock	$28.51 $22.12 $20.07 $18.68 View $17.41 $17.16 $16.71 Quote	Min.: 1 Mult.: 1	Omnidirectional	4.4 kOhms	50 uA	- 57 dBA	SMD/SMT		5.56 mm	3.98 mm	2.21 mm	1.3 V
Microphones Omni-Directional Microphone EM-24446-C36 Knowles 1: $32.61 108In Stock	Mfr. Part No. EM-24446-C36 Mouser Part No 721-EM-24446-C36	Knowles	Microphones Omni-Directional Microphone	Datasheet	108In Stock	$32.61 $24.91 $22.60 $21.06 View $19.63 $19.42 $19.21 Quote	Min.: 1 Mult.: 1	Omnidirectional	4.4 kOhms	50 uA	- 56 dBA	SMD/SMT		3.57 mm	3.57 mm	2.21 mm	1.3 V
Microphones Waterproof Speaker MR-23333-000 Knowles 1: $80.32 190In Stock 200Expected 13/11/2026	Mfr. Part No. MR-23333-000 Mouser Part No 721-MR-23333-000	Knowles	Microphones Waterproof Speaker		190In Stock 200Expected 13/11/2026	$80.32 $62.77 $57.13 $55.23 View $53.80 Quote	Min.: 1 Mult.: 1		21 Ohms			Wire Lead	22.12 mm	9.3 mm		9.3 mm	1.3 V
Microphones -52 Sens, Flat Rsp. -100dB Noise output NR-23160-000 Knowles 1: $31.99 75In Stock 200Expected 15/12/2026	Mfr. Part No. NR-23160-000 Mouser Part No 721-NR-23160-000	Knowles	Microphones -52 Sens, Flat Rsp. -100dB Noise output Learn More about Knowles subminiature performance microphones	Datasheet	75In Stock 200Expected 15/12/2026	$31.99 $24.96 $22.70 $21.16 View $19.97 $19.22 Quote	Min.: 1 Mult.: 1	Noise Cancelling	2.5 kOhms	200 uA	- 52 dBA	SMD/SMT		5.56 mm	3.99 mm	2.26 mm	10 V
Microphones -52 Sens, Flat Resp Omni 25dB -100dB WP-23502-000 Knowles 1: $43.58 179In Stock 100Expected 04/12/2026	Mfr. Part No. WP-23502-000 Mouser Part No 721-WP-23502-000	Knowles	Microphones -52 Sens, Flat Resp Omni 25dB -100dB Learn More about Knowles wp series mics	Datasheet	179In Stock 100Expected 04/12/2026	$43.58 $33.42 $30.24 $28.13 View $27.58 $27.12 Quote	Min.: 1 Mult.: 1	Omnidirectional	4.4 kOhms	50 uA	- 52 dBA	SMD/SMT		5.56 mm	3.99 mm	2.26 mm	1.3 V
Microphones Omni-Directional Microphone EM-23346-C36 Knowles 1: $32.61 42In Stock 100Expected 13/11/2026	Mfr. Part No. EM-23346-C36 Mouser Part No 721-EM-23346-C36	Knowles	Microphones Omni-Directional Microphone	Datasheet	42In Stock 100Expected 13/11/2026	$32.61 $26.33 $23.90 $21.06 View $19.63 $19.42 $19.21 Quote	Min.: 1 Mult.: 1	Omnidirectional	4.4 kOhms	50 uA	- 52 dBA	SMD/SMT		3.57 mm	3.57 mm	2.21 mm	1.3 V
Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 0KP PORT EK-23027-P35 Knowles 1: $20.47 46In Stock	Mfr. Part No. EK-23027-P35 Mouser Part No 721-EK-23027-P35	Knowles	Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 0KP PORT Learn More about Knowles subminiature performance microphones	Datasheet	46In Stock	$20.47 $16.56 $15.02 View $13.46 $12.55 $11.62	Min.: 1 Mult.: 1	Omnidirectional	4.4 kOhms	50 uA	- 53 dBA	SMD/SMT		5.56 mm	3.98 mm	2.21 mm	1.3 V
Microphones OUTPUT IMP AT 1KHz 150 OHMS BJ-28471-000 Knowles 1: $43.67 100Expected 20/11/2026	Mfr. Part No. BJ-28471-000 Mouser Part No 721-BJ-28471-000	Knowles	Microphones OUTPUT IMP AT 1KHz 150 OHMS	Datasheet	100Expected 20/11/2026	$43.67 $34.15 $31.04 $28.99 View $27.42 $27.30 Quote	Min.: 1 Mult.: 1	Omnidirectional	150 Ohms		- 90 dBA	SMD/SMT		7.87 mm	5.59 mm	4 mm
Microphones Omni-Directional Microphone FG-23629-C36 Knowles 1: $41.54 98Expected 11/12/2026	Mfr. Part No. FG-23629-C36 Mouser Part No 721-FG-23629-C36	Knowles	Microphones Omni-Directional Microphone Learn More about Knowles fg series mics	Datasheet	98Expected 11/12/2026	$41.54 $31.75 $29.00 $25.73 Quote Quote	Min.: 1 Mult.: 1	Omnidirectional	4.4 kOhms		- 53 dBA	SMD/SMT	2.56 mm	2.56 mm			1.6 V
Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 3S PORT EK-23032-C36 Knowles 100: $16.61 Non-Stocked	Mfr. Part No. EK-23032-C36 Mouser Part No 721-EK-23032-C36	Knowles	Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 3S PORT Learn More about Knowles subminiature performance microphones	Datasheet	Non-Stocked	$16.61	Min.: 100 Mult.: 100	Omnidirectional	4.4 kOhms	50 uA	- 53 dBA	SMD/SMT		5.56 mm	3.98 mm	2.21 mm	1.3 V
Microphones Omni-Directional Microphone EM-23346-C47 Knowles 100: $18.68 Non-Stocked	Mfr. Part No. EM-23346-C47 Mouser Part No 721-EM-23346-C47	Knowles	Microphones Omni-Directional Microphone	Datasheet	Non-Stocked	$18.68	Min.: 100 Mult.: 100	Omnidirectional	4.4 kOhms	50 uA	- 52 dBA	SMD/SMT		3.57 mm	3.57 mm	2.21 mm	1.3 V

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