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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.
Board Mount Motion & Position Sensors 7.92 X 5.59 X 2.28MM -40, 20hz to 10Khz BU-23842-000 Knowles 1: $61.65 110In Stock	Mfr. Part No. BU-23842-000 Mouser Part No 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	$61.65 $56.95 $55.20 $53.10 View $50.97 $49.68 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker CI-22955-000 Knowles 1: $36.36 505In Stock	Mfr. Part No. CI-22955-000 Mouser Part No 721-CI-22955-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	505In Stock	$36.36 $27.99 $25.47 $23.74 $22.53	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -59 SENS, 12S PORT EA-21842-C36 Knowles 1: $29.81 148In 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	148In Stock	$29.81 $22.76 $20.64 $19.24 View $17.93 $17.67 $17.33	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 12S PORT EK-23024-000 Knowles 1: $28.55 108In Stock 300Expected 2026/11/13	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	108In Stock 300Expected 2026/11/13	$28.55 $22.27 $20.47 $19.07 View $17.84 $17.60	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 0KP PORT EK-23027-C36 Knowles 1: $30.23 165In 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	165In Stock	$30.23 $23.10 $20.95 $20.71 View $19.31 $17.92 $17.74 Quote	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -57 SENS, 12S PORT EK-23028-C36 Knowles 1: $28.52 447In 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	447In Stock	$28.52 $22.12 $20.07 $18.68 View $17.41 $17.17 $16.74	Min.: 1 Mult.: 1
Microphones Omni-Directional Microphone EM-24446-C36 Knowles 1: $32.61 113In Stock	Mfr. Part No. EM-24446-C36 Mouser Part No 721-EM-24446-C36	Knowles	Microphones Omni-Directional Microphone	Datasheet	113In Stock	$32.61 $24.91 $22.61 $21.06 View $19.63 $19.42 $19.06	Min.: 1 Mult.: 1
Microphones Waterproof Speaker MR-23333-000 Knowles 1: $75.86 190In Stock 200Expected 2026/11/13	Mfr. Part No. MR-23333-000 Mouser Part No 721-MR-23333-000	Knowles	Microphones Waterproof Speaker		190In Stock 200Expected 2026/11/13	$75.86 $59.78 $54.54 $53.86	Min.: 1 Mult.: 1
Microphones -52 Sens, Flat Rsp. -100dB Noise output NR-23160-000 Knowles 1: $31.99 125In Stock	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	125In Stock	$31.99 $24.97 $22.70 $21.17 $20.00	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Receiver,level sound RAB-32063-000 Knowles 1: $22.90 105In Stock 300Expected 2026/11/13	Mfr. Part No. RAB-32063-000 Mouser Part No 721-RAB-32063-000	Knowles	Speakers & Transducers Balanced Armature Receiver,level sound Learn More about Knowles rab armature drivers	Datasheet	105In Stock 300Expected 2026/11/13	$22.90 $17.48 $15.84 $14.76 View $13.76 $13.39 $13.22 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Receiver RAB-32066-000 Knowles 1: $21.91 900In Stock	Mfr. Part No. RAB-32066-000 Mouser Part No 721-RAB-32066-000	Knowles	Speakers & Transducers Balanced Armature Receiver Learn More about Knowles rab armature drivers	Datasheet	900In Stock	$21.91 $16.99 $15.42 $14.36 View $13.93 $13.39 $13.05	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Receiver, warm bass RAB-32257-000 Knowles 1: $22.19 341In Stock	Mfr. Part No. RAB-32257-000 Mouser Part No 721-RAB32257000	Knowles	Speakers & Transducers Balanced Armature Receiver, warm bass Learn More about Knowles rab armature drivers	Datasheet	341In Stock	$22.19 $16.93 $15.35 $14.30 View $13.33 $13.05	Min.: 1 Mult.: 1
Speakers & Transducers dual balanced armature receiver TWFK-30017-000 Knowles 1: $61.50 89In Stock 100Expected 2026/11/06	Mfr. Part No. TWFK-30017-000 Mouser Part No 721-TWFK-30017-000	Knowles	Speakers & Transducers dual balanced armature receiver	Datasheet	89In Stock 100Expected 2026/11/06	$61.50 $48.21 $43.91 $42.81 $41.74	Min.: 1 Mult.: 1
Speakers & Transducers Wideband Balanced Armature Speaker WBFK-30095-000 Knowles 1: $30.78 84In Stock	Mfr. Part No. WBFK-30095-000 Mouser Part No 721-WBFK-30095-000	Knowles	Speakers & Transducers Wideband Balanced Armature Speaker	Datasheet	84In Stock	$30.78 $23.78 $21.56 $20.10 View $18.82 $18.65	Min.: 1 Mult.: 1
Microphones -52 Sens, Flat Resp Omni 25dB -100dB WP-23502-000 Knowles 1: $43.59 189In Stock	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	189In Stock	$43.59 $33.42 $30.25 $28.13 View $27.59 $27.12 $27.11	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker BK-26824-000 Knowles 1: $31.33 456In Stock	Mfr. Part No. BK-26824-000 Mouser Part No 721-BK-26824-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	456In Stock	$31.33 $24.24 $22.53 $20.97 View $19.54 $19.53 $19.04	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker CI-22960-000 Knowles 1: $35.56 74In Stock	Mfr. Part No. CI-22960-000 Mouser Part No 721-CI-22960-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	74In Stock	$35.56 $27.78 $25.27 $23.55 $22.53	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker ED-23147-000 Knowles 1: $30.40 154In Stock	Mfr. Part No. ED-23147-000 Mouser Part No 721-ED-23147-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	154In Stock	$30.40 $23.35 $21.18 $19.75 View $18.96 $18.40	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker FC-26171-000 Knowles 1: $42.66 49In Stock	Mfr. Part No. FC-26171-000 Mouser Part No 721-FC-26171-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	49In Stock	$42.66 $32.31 $29.11 $27.07	Min.: 1 Mult.: 1
Speakers & Transducers VERY SMALL DUEL BASS EMPHASIS Knowles DWFK-31785-000 DWFK-31785-000 Knowles 1: $66.93 141In Stock	Mfr. Part No. DWFK-31785-000 Mouser Part No 721-DWFK-31785-000	Knowles	Speakers & Transducers VERY SMALL DUEL BASS EMPHASIS	Datasheet	141In Stock	$66.93 $52.24 $47.53 $44.97 $43.85	Min.: 1 Mult.: 1
MEMS Microphones 71dB 1.3mm Height 0.25mm port Knowles MM20-33366-000 MM20-33366-000 Knowles 1: $10.29 1,398In Stock 1,400Expected 2026/11/13	Mfr. Part No. MM20-33366-000 Mouser Part No 721-MM20-33366-000	Knowles	MEMS Microphones 71dB 1.3mm Height 0.25mm port	Datasheet	1,398In Stock 1,400Expected 2026/11/13	$10.29 $7.91 $7.16 $6.65 View $6.18 $5.76 $5.40 $5.26	Min.: 1 Mult.: 1
Power Inductors - Leaded Telecoil 5100-253447 Knowles 1: $9.28 6In Stock	Mfr. Part No. 5100-253447 Mouser Part No 721-5100253447	Knowles	Power Inductors - Leaded Telecoil	Datasheet	6In Stock	$9.28 $7.30 $6.63 $6.13 View $5.68 $5.15 $5.02	Min.: 1 Mult.: 1
Speakers & Transducers Plug 2.08 dia. 1500 Res, Green BF-1861-000 Knowles 1: $2.44 474In Stock	Mfr. Part No. BF-1861-000 Mouser Part No 721-BF-1861-000	Knowles	Speakers & Transducers Plug 2.08 dia. 1500 Res, Green	Datasheet	474In Stock	$2.44 $1.87 $1.69 $1.57 View $1.44 $1.28 $1.22 $1.13 $1.08	Min.: 1 Mult.: 1
Speakers & Transducers Plug 2.08 dia. 3300 Res, Orange BF-1922-000 Knowles 1: $2.52 380In Stock	Mfr. Part No. BF-1922-000 Mouser Part No 721-BF-1922-000	Knowles	Speakers & Transducers Plug 2.08 dia. 3300 Res, Orange	Datasheet	380In Stock	$2.52 $1.92 $1.73 $1.60 View $1.47 $1.31 $1.21 $1.13 $1.08	Min.: 1 Mult.: 1
Speakers & Transducers Plug 2.08 dia. 4700 Res, Yellow BF-1923-000 Knowles 1: $2.44 300In Stock 100On Order	Mfr. Part No. BF-1923-000 Mouser Part No 721-BF-1923-000	Knowles	Speakers & Transducers Plug 2.08 dia. 4700 Res, Yellow	Datasheet	300In Stock 100On Order	$2.44 $1.87 $1.69 $1.57 View $1.44 $1.28 $1.22 $1.13 $1.08	Min.: 1 Mult.: 1

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