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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.
Speakers & Transducers Balanced Armature Speaker FK-23451-000 Knowles 1: $65.60 41In Stock	Mfr. Part # FK-23451-000 Mouser Part # 721-FK-23451-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	41In Stock	$65.60 $50.57 $45.59 $42.37 $40.77	Min.: 1 Mult.: 1
Speakers & Transducers RECEIVER GV-32830-000 Knowles 1: $124.90 92In Stock	Mfr. Part # GV-32830-000 Mouser Part # 721-GV-32830-000	Knowles	Speakers & Transducers RECEIVER Learn More about Knowles gu gv receivers	Datasheet	92In Stock	$124.90 $95.60 $88.11	Min.: 1 Mult.: 1
Speakers & Transducers Plug 2.08 dia. 330 Res, Grey BF-1999-000 Knowles 1: $3.28 1,018In Stock	Mfr. Part # BF-1999-000 Mouser Part # 721-BF-1999-000	Knowles	Speakers & Transducers Plug 2.08 dia. 330 Res, Grey	Datasheet	1,018In Stock	$3.28 $2.50 $2.25 $2.08 View $1.91 $1.70 $1.57 $1.46 $1.35	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker BK-21610-000 Knowles 1: $40.73 84In Stock	Mfr. Part # BK-21610-000 Mouser Part # 721-BK-21610-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	84In Stock	$40.73 $31.41 $28.47 $26.55 View $24.77 $23.78	Min.: 1 Mult.: 1
Speakers & Transducers Triple balanced armature driver with enhanced bass for earphones PA-35273-T303 Knowles 1: $58.36 96In Stock New Product	Mfr. Part # PA-35273-T303 Mouser Part # 721-PA-35273-T303 New Product	Knowles	Speakers & Transducers Triple balanced armature driver with enhanced bass for earphones Learn More about Knowles ba armature multi way drivers	Datasheet	96In Stock	$58.36 $44.76 $40.50 $37.67 View $37.00 $36.37 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Quad balanced armature driver with extended high frequency response PA-35284-T404 Knowles 1: $73.37 94In Stock New Product	Mfr. Part # PA-35284-T404 Mouser Part # 721-PA-35284-T404 New Product	Knowles	Speakers & Transducers Quad balanced armature driver with extended high frequency response Learn More about Knowles ba armature multi way drivers	Datasheet	94In Stock	$73.37 $56.30 $50.96 $47.41 View $46.81 $46.31 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Dual balanced armature driver module for earphones PA-35462-T202 Knowles 1: $32.71 94In Stock New Product	Mfr. Part # PA-35462-T202 Mouser Part # 721-PA-35462-T202 New Product	Knowles	Speakers & Transducers Dual balanced armature driver module for earphones Learn More about Knowles ba armature multi way drivers	Datasheet	94In Stock	$32.71 $24.97 $22.65 $21.10 View $19.66 $19.20 $18.99 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Multi driver balanced armature module for high end earphones PA-35867-T408 Knowles 1: $129.44 96In Stock New Product	Mfr. Part # PA-35867-T408 Mouser Part # 721-PA-35867-T408 New Product	Knowles	Speakers & Transducers Multi driver balanced armature module for high end earphones Learn More about Knowles ba armature multi way drivers	Datasheet	96In Stock	$129.44 $100.11 $91.75	Min.: 1 Mult.: 1
Speakers & Transducers Wideband Balanced Armature Speaker WBFK-30019-000 Knowles 1: $40.01 74In Stock	Mfr. Part # WBFK-30019-000 Mouser Part # 721-WBFK-30019-000	Knowles	Speakers & Transducers Wideband Balanced Armature Speaker	Datasheet	74In Stock	$40.01 $30.78 $27.90 $26.03 View $24.28 $23.31	Min.: 1 Mult.: 1
Speakers & Transducers RECEIVER WBFK-33649-000 Knowles 1: $40.83 83In Stock	Mfr. Part # WBFK-33649-000 Mouser Part # 721-WBFK-33649-000	Knowles	Speakers & Transducers RECEIVER		83In Stock	$40.83 $30.78 $27.90 $26.03 View $24.28 $24.23 Quote	Min.: 1 Mult.: 1
Microphones omni-directional MICROPHONE Knowles MQM-32325-000 MQM-32325-000 Knowles 1: $12.18 75In Stock	Mfr. Part # MQM-32325-000 Mouser Part # 721-MQM32325000	Knowles	Microphones omni-directional MICROPHONE	Datasheet	75In Stock	$12.18 $9.48 $8.59 $8.01 View $7.50 $7.35 $7.05 $7.01	Min.: 1 Mult.: 1
Speakers & Transducers 7.87 X 5.59 X 4.01MM 126 SENS, 1S PORT EF-26329-000 Knowles 1: $41.76 22In Stock	Mfr. Part # EF-26329-000 Mouser Part # 721-EF-26329-000	Knowles	Speakers & Transducers 7.87 X 5.59 X 4.01MM 126 SENS, 1S PORT	Datasheet	22In Stock	$41.76 $31.92 View $29.02 $27.95 $27.26 Quote	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 0KP PORT EK-23027-P35 Knowles 1: $26.61 46In Stock	Mfr. Part # EK-23027-P35 Mouser Part # 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	$26.61 $21.53 $19.53 View $17.50 $16.32 $15.11	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Receiver RAB-32037-000 Knowles 1: $24.04 83In Stock	Mfr. Part # RAB-32037-000 Mouser Part # 721-RAB-32037-000	Knowles	Speakers & Transducers Balanced Armature Receiver Learn More about Knowles rab armature drivers	Datasheet	83In Stock	$24.04 $18.63 $16.95 $15.96 View $14.91 $14.73	Min.: 1 Mult.: 1
Microphones Boom Assembly Knowles FB-EI-31552-000 FB-EI-31552-000 Knowles 1: $152.53 19In Stock	Mfr. Part # FB-EI-31552-000 Mouser Part # 721-FBEI31552000	Knowles	Microphones Boom Assembly	Datasheet	19In Stock	$152.53 $118.87 $105.46	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker Knowles FC-30814-P127 FC-30814-P127 Knowles 1: $52.59 11In Stock	Mfr. Part # FC-30814-P127 Mouser Part # 721-FC30814P127	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	11In Stock	$52.59 $40.18 View $35.67 $34.81 $33.96 $33.94 Quote	Min.: 1 Mult.: 1
Speakers & Transducers WIDE BANDWIDTH, WARM BASS, HIGH OUTPUT HE-31751-000 Knowles 1: $72.64 23In Stock	Mfr. Part # HE-31751-000 Mouser Part # 721-HE-31751-000	Knowles	Speakers & Transducers WIDE BANDWIDTH, WARM BASS, HIGH OUTPUT	Datasheet	23In Stock	$72.64 $56.52 View $51.12 $47.50 $45.72	Min.: 1 Mult.: 1
Microphones -53 Sens, 12S Port Std. Rsp. 3500-5000 EK-23024-C36 Knowles 1: $39.29 2,746In 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	2,746In Stock	$39.29 $30.02 $27.22 $25.36 View $23.63 $23.30 $21.98	Min.: 1 Mult.: 1
Microphones Waterproof Speaker Omni MR-23151-000 Knowles 1: $70.41 483In Stock 400Expected 12/18/2026	Mfr. Part # MR-23151-000 Mouser Part # 721-MR-23151-000	Knowles	Microphones Waterproof Speaker Omni	Datasheet	483In Stock 400Expected 12/18/2026	$70.41 $55.15 $50.22 $47.00 View $45.21 Quote	Min.: 1 Mult.: 1
Microphones 1M, OMNI, 211MM WIRE 12.7MM DIA X 21MM VEK-H-30108-000 Knowles 1: $119.24 326In 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	326In Stock	$119.24 $91.85 $83.81 $82.54	Min.: 1 Mult.: 1
Speakers & Transducers RECEIVER Knowles RAN-33860-B148 RAN-33860-B148 Knowles 1: $24.62 258In Stock	Mfr. Part # RAN-33860-B148 Mouser Part # 721-RAN-33860-B148	Knowles	Speakers & Transducers RECEIVER	Datasheet	258In Stock	$24.62 $19.15 $17.38 $16.20 View $15.46 $14.66 $13.66 Quote	Min.: 1 Mult.: 1
Speakers & Transducers RECEIVER Knowles RAQ-33862-B148 RAQ-33862-B148 Knowles 1: $13.18 598In Stock	Mfr. Part # RAQ-33862-B148 Mouser Part # 721-RAQ-33862-B148	Knowles	Speakers & Transducers RECEIVER	Datasheet	598In Stock	$13.18 $10.21 $9.26 $8.61 View $8.00 $7.15 $6.90 $6.83 Quote	Min.: 1 Mult.: 1
Speakers & Transducers RECEIVER ASSEMBLY Knowles RAU-34832-B148 RAU-34832-B148 Knowles 1: $61.52 83In Stock	Mfr. Part # RAU-34832-B148 Mouser Part # 721-RAU-34832-B148	Knowles	Speakers & Transducers RECEIVER ASSEMBLY	Datasheet	83In Stock	$61.52 $48.14 $43.84 $40.87 $38.84	Min.: 1 Mult.: 1
Speakers & Transducers RECEIVER Knowles RDI-34006-000 RDI-34006-000 Knowles 1: $66.48 163In Stock	Mfr. Part # RDI-34006-000 Mouser Part # 721-RDI-34006-000	Knowles	Speakers & Transducers RECEIVER	Datasheet	163In Stock	$66.48 $52.05 $47.92 $44.21 View $42.39 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Plug 2.08 dia. 680 Res, White BF-1859-000 Knowles 1: $3.17 8,093In Stock	Mfr. Part # BF-1859-000 Mouser Part # 721-BF-1859-000	Knowles	Speakers & Transducers Plug 2.08 dia. 680 Res, White	Datasheet	8,093In Stock	$3.17 $2.43 $2.20 $2.04 View $1.87 $1.66 $1.59 $1.47 $1.35	Min.: 1 Mult.: 1

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