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BF Series Speakers & Transducers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Impedance	Shape	Diameter	Length
Speakers & Transducers Plug 2.08 dia. 2200 Res, Red BF-1921-000 Knowles 1: 2,17 € 3.954In Stock	Mfr. Part No. BF-1921-000 Mouser Part No 721-BF-1921-000	Knowles	Speakers & Transducers Plug 2.08 dia. 2200 Res, Red	Datasheet	3.954In Stock	2,17 € 1,65 € 1,49 € 1,38 € View 1,26 € 1,13 € 1,04 € 0,972 € 0,931 €	Min.: 1 Mult.: 1	Dampers	Acoustic	2.2 kOhms	Round	2.08 mm	2.44 mm
Speakers & Transducers 1.37DIA X 1.57MM SCREEN 1500 RES BF-3039-000 Knowles 1: 2,83 € 77In Stock	Mfr. Part No. BF-3039-000 Mouser Part No 721-BF-3039-000	Knowles	Speakers & Transducers 1.37DIA X 1.57MM SCREEN 1500 RES	Datasheet	77In Stock	2,83 € 2,06 € 1,82 € 1,69 € View 1,42 € 1,40 € 1,27 € 1,24 €	Min.: 1 Mult.: 1	Dampers	Acoustic	1.5 kOhms	Round	1.37 mm	1.57 mm
Speakers & Transducers 1.78DIA X 1.65MM SCREEN 680 RES BF-1997-000 Knowles 1: 2,57 € 75In Stock	Mfr. Part No. BF-1997-000 Mouser Part No 721-BF-1997-000	Knowles	Speakers & Transducers 1.78DIA X 1.65MM SCREEN 680 RES	Datasheet	75In Stock	2,57 € 1,87 € 1,66 € 1,59 € View 1,35 € 1,27 € 1,16 € 1,08 € 1,06 €	Min.: 1 Mult.: 1	Dampers	Acoustic	680 Ohms	Round	1.78 mm	1.65 mm
Speakers & Transducers 1.78DIA X 1.65MM SCREEN 2200 RES BF-3037-000 Knowles 1: 2,83 € 470In Stock	Mfr. Part No. BF-3037-000 Mouser Part No 721-BF-3037-000	Knowles	Speakers & Transducers 1.78DIA X 1.65MM SCREEN 2200 RES	Datasheet	470In Stock	2,83 € 2,06 € 1,82 € 1,69 € View 1,42 € 1,40 € 1,27 € 1,24 €	Min.: 1 Mult.: 1	Dampers	Acoustic	2.2 kOhms	Round	1.78 mm	1.65 mm
Speakers & Transducers 1.78DIA X 1.65MM SCREEN 1500 RES BF-3038-000 Knowles 1: 2,83 € 99In Stock	Mfr. Part No. BF-3038-000 Mouser Part No 721-BF-3038-000	Knowles	Speakers & Transducers 1.78DIA X 1.65MM SCREEN 1500 RES	Datasheet	99In Stock	2,83 € 2,06 € 1,82 € 1,69 € View 1,42 € 1,40 € 1,27 € 1,24 €	Min.: 1 Mult.: 1	Dampers	Acoustic	1.5 kOhms	Round	1.78 mm	1.65 mm
Speakers & Transducers 1.12DIA X 1.410MM SCREEN 4700 RES BF-3163-000 Knowles 1: 2,83 € 865In Stock 99On Order	Mfr. Part No. BF-3163-000 Mouser Part No 721-BF-3163-000	Knowles	Speakers & Transducers 1.12DIA X 1.410MM SCREEN 4700 RES	Datasheet	865In Stock 99On Order	2,83 € 2,06 € 1,82 € 1,69 € View 1,42 € 1,40 € 1,27 € 1,24 €	Min.: 1 Mult.: 1	Dampers	Acoustic	4.7 kOhms	Round	1.12 mm	1.41 mm
Speakers & Transducers 1.12DIA X 1.410MM SCREEN 1500 RES BF-1991-000 Knowles 1: 2,57 € 10In Stock	Mfr. Part No. BF-1991-000 Mouser Part No 721-BF-1991-000	Knowles	Speakers & Transducers 1.12DIA X 1.410MM SCREEN 1500 RES	Datasheet	10In Stock	2,57 € 1,87 € 1,66 € 1,59 € View 1,35 € 1,27 € 1,16 € 1,08 € 1,06 €	Min.: 1 Mult.: 1	Dampers	Acoustic	1.5 kOhms	Round	1.12 mm	1.41 mm
Speakers & Transducers 1.78DIA X 1.65MM SCREEN 330 RES BF-3034-000 Knowles 1: 2,83 € 69In Stock	Mfr. Part No. BF-3034-000 Mouser Part No 721-BF-3034-000	Knowles	Speakers & Transducers 1.78DIA X 1.65MM SCREEN 330 RES	Datasheet	69In Stock	2,83 € 2,06 € 1,82 € 1,69 € View 1,42 € 1,40 € 1,27 € 1,19 € 1,16 €	Min.: 1 Mult.: 1	Dampers	Acoustic	330 Ohms		1.78 mm	1.65 mm
Speakers & Transducers 1.78DIA X 1.65MM SCREEN 1000 RES BF-3035-000 Knowles 1: 2,83 € 84In Stock	Mfr. Part No. BF-3035-000 Mouser Part No 721-BF-3035-000	Knowles	Speakers & Transducers 1.78DIA X 1.65MM SCREEN 1000 RES	Datasheet	84In Stock	2,83 € 2,06 € 1,82 € 1,69 € View 1,42 € 1,40 € 1,27 € 1,24 €	Min.: 1 Mult.: 1	Dampers	Acoustic	1 kOhms	Round	1.78 mm	1.65 mm
Speakers & Transducers Plug 2.08 dia. 680 Res, White BF-1859-000 Knowles 1: 2,10 € 6.611In Stock 5.000Expected 12/7/2026	Mfr. Part No. BF-1859-000 Mouser Part No 721-BF-1859-000	Knowles	Speakers & Transducers Plug 2.08 dia. 680 Res, White	Datasheet	6.611In Stock 5.000Expected 12/7/2026	2,10 € 1,61 € 1,45 € 1,35 € View 1,24 € 1,10 € 1,05 € 0,972 € 0,931 €	Min.: 1 Mult.: 1	Dampers	Acoustic	680 Ohms	Round	2.08 mm	2.44 mm
Speakers & Transducers 1.12DIA X 1.410MM SCREEN 680 RES BF-1988-000 Knowles 1: 2,35 € 1.676In Stock 1.000Expected 1/20/2027	Mfr. Part No. BF-1988-000 Mouser Part No 721-BF-1988-000	Knowles	Speakers & Transducers 1.12DIA X 1.410MM SCREEN 680 RES	Datasheet	1.676In Stock 1.000Expected 1/20/2027	2,35 € 1,80 € 1,63 € 1,51 € View 1,38 € 1,24 € 1,17 € 1,09 € 1,06 €	Min.: 1 Mult.: 1	Dampers	Acoustic	680 Ohms	Round	1.12 mm	1.41 mm
Speakers & Transducers Plug 2.08 dia. 1500 Res, Green BF-1861-000 Knowles 1: 2,10 € 452In 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	452In Stock	2,10 € 1,61 € 1,45 € 1,35 € View 1,24 € 1,10 € 1,05 € 0,972 € 0,931 €	Min.: 1 Mult.: 1	Dampers	Acoustic	1.5 kOhms	Round	2.08 mm	2.44 mm
Speakers & Transducers Plug 2.08 dia. 3300 Res, Orange BF-1922-000 Knowles 1: 2,29 € 370In 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	370In Stock	2,29 € 1,73 € 1,57 € 1,43 € View 1,32 € 1,17 € 1,08 € 1,01 € 0,937 €	Min.: 1 Mult.: 1	Dampers	Acoustic	3.3 kOhms	Round	2.08 mm	2.44 mm
Speakers & Transducers 1.12DIA X 1.410MM SCREEN 2200 RES BF-1995-000 Knowles 1: 2,56 € 190In Stock	Mfr. Part No. BF-1995-000 Mouser Part No 721-BF-1995-000	Knowles	Speakers & Transducers 1.12DIA X 1.410MM SCREEN 2200 RES	Datasheet	190In Stock	2,56 € 1,90 € 1,70 € 1,60 € View 1,43 € 1,30 € 1,21 € 1,13 € 1,06 €	Min.: 1 Mult.: 1	Dampers	Acoustic	2.2 kOhms	Round	1.12 mm	1.41 mm
Speakers & Transducers 2.08DIA X 2.44MM PLUG, 1000 RES BF-1860-000 Knowles 1: 2,36 € 411In Stock	Mfr. Part No. BF-1860-000 Mouser Part No 721-BF-1860-000	Knowles	Speakers & Transducers 2.08DIA X 2.44MM PLUG, 1000 RES	Datasheet	411In Stock	2,36 € 1,78 € 1,61 € 1,47 € View 1,36 € 1,20 € 1,12 € 1,04 € 0,972 €	Min.: 1 Mult.: 1	Dampers	Acoustic	1 kOhms	Round	2.08 mm	2.44 mm
Speakers & Transducers Plug 2.08 dia. 4700 Res, Yellow BF-1923-000 Knowles 1: 2,10 € 190In Stock 600On 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	190In Stock 600On Order On Order Ship Dates Mfr. No: BF-1923-000 Stock: 190 Can Dispatch Immediately On Order: 100 Pending 500 Expected 1/20/2027 Factory Lead Time: 14 Weeks	2,10 € 1,61 € 1,45 € 1,35 € View 1,24 € 1,10 € 1,05 € 0,972 € 0,931 €	Min.: 1 Mult.: 1	Dampers	Acoustic	4.7 kOhms	Round	2.08 mm	2.44 mm
Speakers & Transducers Plug 2.08 dia. 330 Res, Grey BF-1999-000 Knowles 1: 2,17 € 500In Stock	Mfr. Part No. BF-1999-000 Mouser Part No 721-BF-1999-000	Knowles	Speakers & Transducers Plug 2.08 dia. 330 Res, Grey	Datasheet	500In Stock	2,17 € 1,65 € 1,49 € 1,38 € View 1,26 € 1,13 € 1,10 € 0,963 € 0,928 €	Min.: 1 Mult.: 1	Dampers	Acoustic	330 Ohms	Round	2.08 mm	2.44 mm
Speakers & Transducers 1.78DIA X 1.65MM SCREEN 3300 RES BF-3036-000 Knowles 1: 2,83 € 200Expected 11/20/2026	Mfr. Part No. BF-3036-000 Mouser Part No 721-BF-3036-000	Knowles	Speakers & Transducers 1.78DIA X 1.65MM SCREEN 3300 RES	Datasheet	200Expected 11/20/2026	2,83 € 2,06 € 1,82 € 1,69 € View 1,42 € 1,40 € 1,27 € 1,24 €	Min.: 1 Mult.: 1	Dampers	Acoustic	3.3 kOhms	Round	1.78 mm	1.65 mm
Speakers & Transducers EMC Knowles BF-9778-000 BF-9778-000 Knowles 1: 2,07 € Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. BF-9778-000 Mouser Part No 721-BF9778000	Knowles	Speakers & Transducers EMC	Datasheet	Non-Stocked Lead-Time 12 Weeks	2,07 € 1,61 € 1,42 € 1,37 € View 1,16 € 1,05 € 0,955 € 0,894 € 0,86 €	Min.: 1 Mult.: 1	Dampers	Acoustic	2.2 kOhms	Round	1.37 mm	1.57 mm

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