.hide-partial { max-height: none; } .show-more { display: none; }

Knowles Sensors

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Sensors

List Images

Results: 43

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Microphones 3M, NOISE CANCELING 160MM LONG, 2.7 DIA FB-BW-30335-000 Knowles 1: $70.21 A tariff of 11% may be applied if shipping to the United States. 331In Stock	Mfr. Part # FB-BW-30335-000 Mouser Part # 721-FB-BW-30335-000	Knowles	Microphones 3M, NOISE CANCELING 160MM LONG, 2.7 DIA	Datasheet	331In Stock	$70.21 $54.05 $48.23 $47.68 View $47.60 Quote A tariff of 11% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones Omni-directional 3.61 x 3.61 x 31.3mm TO-24611-000 Knowles 1: $44.19 A tariff of 8% may be applied if shipping to the United States. 176In Stock	Mfr. Part # TO-24611-000 Mouser Part # 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 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones -54 Sens, Flat Rsp. Noise-Cancelling WP-23501-000 Knowles 1: $42.36 A tariff of 8% may be applied if shipping to the United States. 89In Stock	Mfr. Part # WP-23501-000 Mouser Part # 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 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones 1M, NOISE CANCELING 172MM LONG, 5.4 DIA FB-EI-30026-000 Knowles 1: $75.96 65In Stock	Mfr. Part # FB-EI-30026-000 Mouser Part # 721-FB-EI-30026-000	Knowles	Microphones 1M, NOISE CANCELING 172MM LONG, 5.4 DIA	Datasheet	65In Stock	$75.96 $59.05 $53.09 $51.94 $49.72	Min.: 1 Mult.: 1
Board Mount Motion & Position Sensors 7.92 x 5.59 x 4.14mm '-45 20hz to 10Khz BU-21771-000 Knowles 1: $61.64 A tariff of 8% may be applied if shipping to the United States. 108In Stock	Mfr. Part # BU-21771-000 Mouser Part # 721-BU-21771-000	Knowles	Board Mount Motion & Position Sensors 7.92 x 5.59 x 4.14mm '-45 20hz to 10Khz	Datasheet	108In Stock	$61.64 $56.94 $55.19 $53.05 View $50.42 $49.14 $49.13 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
MEMS Microphones MICROPHONE MM20-33639-000 Knowles 1: $11.20 A tariff of 8% may be applied if shipping to the United States. 190In Stock	Mfr. Part # MM20-33639-000 Mouser Part # 721-MM20-33639-000	Knowles	MEMS Microphones MICROPHONE	Datasheet	190In Stock	$11.20 $8.72 $7.92 $7.37 View $6.84 $6.27 $5.97 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones 4.0 X 5.59 X 2.28MM -49 SENS, JA/JK PORT NR-25994-000 Knowles 1: $22.65 A tariff of 8% may be applied if shipping to the United States. 96In Stock	Mfr. Part # NR-25994-000 Mouser Part # 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 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones omni-directional MICROPHONE Knowles MQM-32325-000 MQM-32325-000 Knowles 1: $9.37 A tariff of 8% may be applied if shipping to the United States. 73In Stock	Mfr. Part # MQM-32325-000 Mouser Part # 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 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones Boom Assembly Knowles FB-EI-31552-000 FB-EI-31552-000 Knowles 1: $117.26 19In Stock	Mfr. Part # FB-EI-31552-000 Mouser Part # 721-FBEI31552000	Knowles	Microphones Boom Assembly	Datasheet	19In Stock	$117.26 $91.44 $81.12	Min.: 1 Mult.: 1
Microphones -75 Sens, 0Jn Port Omni BJ-21590-000 Knowles 1: $48.04 738In Stock	Mfr. Part # BJ-21590-000 Mouser Part # 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
Microphones -53 Sens, 12S Port Std. Rsp. 3500-5000 EK-23024-C36 Knowles 1: $30.22 A tariff of 8% may be applied if shipping to the United States. 2,526In Stock	Mfr. Part # EK-23024-C36 Mouser Part # 721-EK-23024-C36	Knowles	Microphones -53 Sens, 12S Port Std. Rsp. 3500-5000 Learn More about Knowles subminiature performance microphones	Datasheet	2,526In Stock	$30.22 $23.09 $20.94 $19.51 View $18.18 $17.92 $16.91 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones Waterproof Speaker Omni MR-23151-000 Knowles 1: $54.16 A tariff of 8% may be applied if shipping to the United States. 483In Stock 400Expected 11/20/2026	Mfr. Part # MR-23151-000 Mouser Part # 721-MR-23151-000	Knowles	Microphones Waterproof Speaker Omni	Datasheet	483In Stock 400Expected 11/20/2026	$54.16 $42.42 $38.63 $36.15 View $34.78 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones 1M, OMNI, 211MM WIRE 12.7MM DIA X 21MM VEK-H-30108-000 Knowles 1: $91.72 325In Stock	Mfr. Part # VEK-H-30108-000 Mouser Part # 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
Board Mount Motion & Position Sensors 7.92 X 5.59 X 2.28MM -40, 20hz to 10Khz BU-23842-000 Knowles 1: $65.34 A tariff of 8% may be applied if shipping to the United States. 110In Stock	Mfr. Part # BU-23842-000 Mouser Part # 721-BU-23842-000	Knowles	Board Mount Motion & Position Sensors 7.92 X 5.59 X 2.28MM -40, 20hz to 10Khz	Datasheet	110In Stock	$65.34 $60.36 $58.50 $54.64 View $54.43 $51.03 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -59 SENS, 12S PORT EA-21842-C36 Knowles 1: $29.80 A tariff of 8% may be applied if shipping to the United States. 137In Stock	Mfr. Part # EA-21842-C36 Mouser Part # 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 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 12S PORT EK-23024-000 Knowles 1: $28.55 A tariff of 8% may be applied if shipping to the United States. 108In Stock 300Expected 11/13/2026	Mfr. Part # EK-23024-000 Mouser Part # 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	108In Stock 300Expected 11/13/2026	$28.55 $22.27 $20.47 $19.07 View $17.84 $16.91 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 0KP PORT EK-23027-C36 Knowles 1: $30.22 A tariff of 8% may be applied if shipping to the United States. 140In Stock	Mfr. Part # EK-23027-C36 Mouser Part # 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 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -57 SENS, 12S PORT EK-23028-C36 Knowles 1: $28.51 A tariff of 8% may be applied if shipping to the United States. 417In Stock	Mfr. Part # EK-23028-C36 Mouser Part # 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	417In Stock	$28.51 $22.12 $20.07 $18.68 View $17.41 $17.16 $16.71 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones Omni-Directional Microphone EM-24446-C36 Knowles 1: $32.61 A tariff of 8% may be applied if shipping to the United States. 113In Stock	Mfr. Part # EM-24446-C36 Mouser Part # 721-EM-24446-C36	Knowles	Microphones Omni-Directional Microphone	Datasheet	113In Stock	$32.61 $24.91 $22.60 $21.06 View $19.63 $19.42 $19.21 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones Waterproof Speaker MR-23333-000 Knowles 1: $80.32 A tariff of 8% may be applied if shipping to the United States. 190In Stock 200Expected 11/13/2026	Mfr. Part # MR-23333-000 Mouser Part # 721-MR-23333-000	Knowles	Microphones Waterproof Speaker		190In Stock 200Expected 11/13/2026	$80.32 $62.77 $57.13 $55.23 View $53.80 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones -52 Sens, Flat Rsp. -100dB Noise output NR-23160-000 Knowles 1: $31.99 A tariff of 8% may be applied if shipping to the United States. 125In Stock	Mfr. Part # NR-23160-000 Mouser Part # 721-NR-23160-000	Knowles	Microphones -52 Sens, Flat Rsp. -100dB Noise output Learn More about Knowles subminiature performance microphones	Datasheet	125In Stock	$31.99 $24.96 $22.70 $21.16 View $19.97 $19.22 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones -52 Sens, Flat Resp Omni 25dB -100dB WP-23502-000 Knowles 1: $43.58 A tariff of 8% may be applied if shipping to the United States. 179In Stock 100Expected 1/8/2027	Mfr. Part # WP-23502-000 Mouser Part # 721-WP-23502-000	Knowles	Microphones -52 Sens, Flat Resp Omni 25dB -100dB Learn More about Knowles wp series mics	Datasheet	179In Stock 100Expected 1/8/2027	$43.58 $33.42 $30.24 $28.13 View $27.58 $27.12 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
MEMS Microphones 71dB 1.3mm Height 0.25mm port Knowles MM20-33366-000 MM20-33366-000 Knowles 1: $10.29 A tariff of 8% may be applied if shipping to the United States. 1,328In Stock 1,400Expected 11/13/2026	Mfr. Part # MM20-33366-000 Mouser Part # 721-MM20-33366-000	Knowles	MEMS Microphones 71dB 1.3mm Height 0.25mm port	Datasheet	1,328In Stock 1,400Expected 11/13/2026	$10.29 $7.91 $7.16 $6.65 View $6.18 $5.75 $5.40 $5.25 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Board Mount Motion & Position Sensors 7.92 X 5.59 X 4.14MM -39, 20hz to 10Khz BU-23173-000 Knowles 1: $61.64 A tariff of 8% may be applied if shipping to the United States. 1In Stock 400On Order	Mfr. Part # BU-23173-000 Mouser Part # 721-BU-23173-000	Knowles	Board Mount Motion & Position Sensors 7.92 X 5.59 X 4.14MM -39, 20hz to 10Khz	Datasheet	1In Stock 400On Order On Order Ship Dates Mfr. #: BU-23173-000 Stock: 1 Can Ship Immediately On Order: 200 Expected 10/23/2026 200 Expected 10/30/2026 Factory Lead-Time: 9 Weeks	$61.64 $56.94 $55.19 $53.09 View $50.97 $49.68 $49.67 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Microphones Omni-Directional Microphone EM-23346-C36 Knowles 1: $32.61 A tariff of 8% may be applied if shipping to the United States. 42In Stock 100Expected 11/13/2026	Mfr. Part # EM-23346-C36 Mouser Part # 721-EM-23346-C36	Knowles	Microphones Omni-Directional Microphone	Datasheet	42In Stock 100Expected 11/13/2026	$32.61 $26.33 $23.90 $21.06 View $19.63 $19.42 $19.21 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1

Knowles Sensors

Types of Sensors

Customer Service Office

Company

Resources

Support