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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.
Microphones 5.56 X 3.98 X 2.21MM -59 SENS, 12S PORT EA-21842-C36 Knowles 1: $29.80 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	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker ED-21913-000 Knowles 1: $30.97 319In Stock	Mfr. Part # ED-21913-000 Mouser Part # 721-ED-21913-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	319In Stock	$30.97 $23.35 $21.17 $19.74 View $18.42 $18.37 $17.68	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 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	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 0KP PORT EK-23027-C36 Knowles 1: $30.22 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	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -57 SENS, 12S PORT EK-23028-C36 Knowles 1: $28.51 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	Min.: 1 Mult.: 1
Microphones Omni-Directional Microphone EM-24446-C36 Knowles 1: $32.61 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	Min.: 1 Mult.: 1
Microphones Waterproof Speaker MR-23333-000 Knowles 1: $80.32 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	Min.: 1 Mult.: 1
Microphones -52 Sens, Flat Rsp. -100dB Noise output NR-23160-000 Knowles 1: $31.99 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	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Receiver,level sound RAB-32063-000 Knowles 1: $22.89 102In Stock 300Expected 11/13/2026	Mfr. Part # RAB-32063-000 Mouser Part # 721-RAB-32063-000	Knowles	Speakers & Transducers Balanced Armature Receiver,level sound Learn More about Knowles rab armature drivers	Datasheet	102In Stock 300Expected 11/13/2026	$22.89 $17.48 $15.84 $14.76 View $13.75 $13.38 $13.22 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Receiver RAB-32066-000 Knowles 1: $21.91 900In Stock	Mfr. Part # RAB-32066-000 Mouser Part # 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 $13.38 $13.04 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Receiver, warm bass RAB-32257-000 Knowles 1: $22.19 316In Stock	Mfr. Part # RAB-32257-000 Mouser Part # 721-RAB32257000	Knowles	Speakers & Transducers Balanced Armature Receiver, warm bass Learn More about Knowles rab armature drivers	Datasheet	316In Stock	$22.19 $16.93 $15.35 $14.30 View $13.32 $12.55 Quote	Min.: 1 Mult.: 1
Speakers & Transducers dual balanced armature receiver TWFK-30017-000 Knowles 1: $61.49 89In Stock 100Expected 11/6/2026	Mfr. Part # TWFK-30017-000 Mouser Part # 721-TWFK-30017-000	Knowles	Speakers & Transducers dual balanced armature receiver	Datasheet	89In Stock 100Expected 11/6/2026	$61.49 $48.20 $43.91 $42.80 View $41.68 Quote	Min.: 1 Mult.: 1
Microphones -52 Sens, Flat Resp Omni 25dB -100dB WP-23502-000 Knowles 1: $43.58 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	Min.: 1 Mult.: 1
Speakers & Transducers RECEIVER ASSEMBLY Knowles RLQ-34240-000 RLQ-34240-000 Knowles 1: $54.35 185In Stock	Mfr. Part # RLQ-34240-000 Mouser Part # 721-RLQ-34240-000	Knowles	Speakers & Transducers RECEIVER ASSEMBLY	Datasheet	185In Stock	$54.35 $42.57 $38.77 $37.42 View $37.25 $34.92 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker BK-26824-000 Knowles 1: $31.33 456In Stock	Mfr. Part # BK-26824-000 Mouser Part # 721-BK-26824-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	456In Stock	$31.33 $24.23 $22.52 $20.97 View $19.54 $19.52 $18.30	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker CI-22955-000 Knowles 1: $36.35 305In Stock 600Expected 1/8/2027	Mfr. Part # CI-22955-000 Mouser Part # 721-CI-22955-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	305In Stock 600Expected 1/8/2027	$36.35 $27.99 $25.46 $23.73 View $22.28 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker CI-22960-000 Knowles 1: $35.56 74In Stock	Mfr. Part # CI-22960-000 Mouser Part # 721-CI-22960-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	74In Stock	$35.56 $27.78 $25.27 $23.55 View $22.28 $21.66 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker ED-23147-000 Knowles 1: $30.40 154In Stock	Mfr. Part # ED-23147-000 Mouser Part # 721-ED-23147-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	154In Stock	$30.40 $23.35 $21.17 $19.74 View $18.95 $17.68	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker FC-26171-000 Knowles 1: $42.65 49In Stock	Mfr. Part # FC-26171-000 Mouser Part # 721-FC-26171-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	49In Stock	$42.65 $32.30 $29.11 $27.06 View $26.28 $26.03 Quote	Min.: 1 Mult.: 1
Speakers & Transducers RECEIVER Knowles RAQ-33862-B148 RAQ-33862-B148 Knowles 1: $10.14 165In Stock	Mfr. Part # RAQ-33862-B148 Mouser Part # 721-RAQ-33862-B148	Knowles	Speakers & Transducers RECEIVER	Datasheet	165In Stock	$10.14 $7.85 $7.12 $6.62 View $6.15 $5.50 $5.31 $5.25 Quote	Min.: 1 Mult.: 1
Speakers & Transducers VERY SMALL DUEL BASS EMPHASIS Knowles DWFK-31785-000 DWFK-31785-000 Knowles 1: $66.92 131In Stock	Mfr. Part # DWFK-31785-000 Mouser Part # 721-DWFK-31785-000	Knowles	Speakers & Transducers VERY SMALL DUEL BASS EMPHASIS	Datasheet	131In Stock	$66.92 $52.23 $47.52 $44.97 View $42.15 Quote	Min.: 1 Mult.: 1
MEMS Microphones 71dB 1.3mm Height 0.25mm port Knowles MM20-33366-000 MM20-33366-000 Knowles 1: $10.29 1,328In 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	Min.: 1 Mult.: 1
Power Inductors - Leaded Telecoil 5100-253447 Knowles 1: $9.14 5In Stock	Mfr. Part # 5100-253447 Mouser Part # 721-5100253447	Knowles	Power Inductors - Leaded Telecoil	Datasheet	5In Stock	$9.14 $7.42 $6.82 $6.40 View $6.03 $5.59 $5.21 $5.11	Min.: 1 Mult.: 1
Speakers & Transducers Plug 2.08 dia. 1500 Res, Green BF-1861-000 Knowles 1: $2.44 452In Stock	Mfr. Part # BF-1861-000 Mouser Part # 721-BF-1861-000	Knowles	Speakers & Transducers Plug 2.08 dia. 1500 Res, Green	Datasheet	452In Stock	$2.44 $1.87 $1.69 $1.57 View $1.44 $1.28 $1.22 $1.13 $1.04	Min.: 1 Mult.: 1
Speakers & Transducers Plug 2.08 dia. 3300 Res, Orange BF-1922-000 Knowles 1: $2.66 370In Stock	Mfr. Part # BF-1922-000 Mouser Part # 721-BF-1922-000	Knowles	Speakers & Transducers Plug 2.08 dia. 3300 Res, Orange	Datasheet	370In Stock	$2.66 $2.01 $1.82 $1.66 View $1.54 $1.36 $1.26 $1.17 $1.09	Min.: 1 Mult.: 1

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