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Acoustic Speakers & Transducers

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Type = Acoustic

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Part #

Speakers & Transducers 1.12DIA X 1.410MM SCREEN 4700 RES

BF-3163-000
Knowles
1: CHF 2.61
1’000In 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

1’000In Stock

99On Order

CHF 2.61

CHF 1.90

CHF 1.68

CHF 1.56

View

Min.: 1
Mult.: 1

Dampers

Acoustic

4.7 kOhms

Round

1.12 mm

1.41 mm

Speakers & Transducers 1.78DIA X 1.65MM SCREEN 680 RES

BF-1997-000
Knowles
1: CHF 2.37
80In 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

80In Stock

CHF 2.37

CHF 1.72

CHF 1.53

CHF 1.47

View

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: CHF 2.61
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

CHF 2.61

CHF 1.90

CHF 1.68

CHF 1.56

View

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: CHF 2.61
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

CHF 2.61

CHF 1.90

CHF 1.68

CHF 1.56

View

Min.: 1
Mult.: 1

Dampers

Acoustic

1.5 kOhms

Round

1.78 mm

1.65 mm

Speakers & Transducers 1.78DIA X 1.65MM SCREEN 1000 RES

BF-3035-000
Knowles
1: CHF 2.61
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

CHF 2.61

CHF 1.90

CHF 1.68

CHF 1.56

View

Min.: 1
Mult.: 1

Dampers

Acoustic

1 kOhms

Round

1.78 mm

1.65 mm

Speakers & Transducers 1.12DIA X 1.410MM SCREEN 1500 RES

BF-1991-000
Knowles
1: CHF 2.37
13In 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

13In Stock

CHF 2.37

CHF 1.72

CHF 1.53

CHF 1.47

View

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: CHF 2.61
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

CHF 2.61

CHF 1.90

CHF 1.68

CHF 1.56

View

Min.: 1
Mult.: 1

Dampers

Acoustic

330 Ohms

1.78 mm

1.65 mm

Speakers & Transducers Plug 2.08 dia. 330 Res, Grey

BF-1999-000
Knowles
1: CHF 2.00
1’063In 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

1’063In Stock

CHF 2.00

CHF 1.52

CHF 1.37

CHF 1.27

View

Min.: 1
Mult.: 1

Dampers

Acoustic

330 Ohms

Round

2.08 mm

2.44 mm

Speakers & Transducers Plug 2.08 dia. 2200 Res, Red

BF-1921-000
Knowles
1: CHF 1.94
4’074In 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

4’074In Stock

CHF 1.94

CHF 1.48

CHF 1.34

CHF 1.24

View

Min.: 1
Mult.: 1

Dampers

Acoustic

2.2 kOhms

Round

2.08 mm

2.44 mm

Speakers & Transducers Plug 2.08 dia. 3300 Res, Orange

BF-1922-000
Knowles
1: CHF 1.94
2’494In 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

2’494In Stock

CHF 1.94

CHF 1.48

CHF 1.34

CHF 1.24

View

Min.: 1
Mult.: 1

Dampers

Acoustic

3.3 kOhms

Round

2.08 mm

2.44 mm

Speakers & Transducers 1.12DIA X 1.410MM SCREEN 680 RES

BF-1988-000
Knowles
1: CHF 2.17
1’202In Stock
1’000Expected 8/7/2026

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

1’202In Stock

1’000Expected 8/7/2026

CHF 2.17

CHF 1.66

CHF 1.50

CHF 1.39

View

Min.: 1
Mult.: 1

Dampers

Acoustic

680 Ohms

Round

1.12 mm

1.41 mm

Speakers & Transducers Plug 2.08 dia. 680 Res, White

BF-1859-000
Knowles
1: CHF 1.94
1’009In Stock
7’300On Order

Mfr. Part No.
BF-1859-000

Mouser Part No
721-BF-1859-000

Knowles

Speakers & Transducers Plug 2.08 dia. 680 Res, White

Datasheet

1’009In Stock

7’300On Order

CHF 1.94

CHF 1.48

CHF 1.34

CHF 1.24

View

Min.: 1
Mult.: 1

Dampers

Acoustic

680 Ohms

Round

2.08 mm

2.44 mm

Speakers & Transducers Plug 2.08 dia. 1500 Res, Green

BF-1861-000
Knowles
1: CHF 1.94
476In 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

476In Stock

CHF 1.94

CHF 1.48

CHF 1.34

CHF 1.24

View

Min.: 1
Mult.: 1

Dampers

Acoustic

1.5 kOhms

Round

2.08 mm

2.44 mm

Speakers & Transducers 2.08DIA X 2.44MM PLUG, 1000 RES

BF-1860-000
Knowles
1: CHF 1.94
484In 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

484In Stock

CHF 1.94

CHF 1.48

CHF 1.34

CHF 1.24

View

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: CHF 1.94
500On 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

500On Order

CHF 1.94

CHF 1.48

CHF 1.34

CHF 1.24

View

Min.: 1
Mult.: 1

Dampers

Acoustic

4.7 kOhms

Round

2.08 mm

2.44 mm

Speakers & Transducers 1.37DIA X 1.57MM SCREEN 1500 RES

BF-3039-000
Knowles
1: CHF 2.61
77On Order

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

77On Order

CHF 2.61

CHF 1.90

CHF 1.68

CHF 1.56

View

Min.: 1
Mult.: 1

Dampers

Acoustic

1.5 kOhms

Round

1.37 mm

1.57 mm

Speakers & Transducers 1.12DIA X 1.410MM SCREEN 2200 RES

BF-1995-000
Knowles
1: CHF 2.17
Non-Stocked Lead-Time 7 Weeks

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

Non-Stocked Lead-Time 7 Weeks

CHF 2.17

CHF 1.66

CHF 1.50

CHF 1.39

View

Min.: 1
Mult.: 1

Dampers

Acoustic

2.2 kOhms

Round

1.12 mm

1.41 mm

Speakers & Transducers Balanced Armature Speaker

CI-22764-000
Knowles
100: CHF 17.86
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CI-22764-000

Mouser Part No
721-CI-22764-000

Knowles

Speakers & Transducers Balanced Armature Speaker

Datasheet

Non-Stocked Lead-Time 12 Weeks

CHF 17.86

Min.: 100
Mult.: 100

Receivers

Acoustic

Board Mount

5.5 kHz

125 dBA

250 Ohms

Solder Pad

9.47 mm

7.18 mm

4.1 mm

Speakers & Transducers Balanced Armature Speaker

CI-28487-000
Knowles
100: CHF 17.86
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CI-28487-000

Mouser Part No
721-CI-28487-000

Knowles

Speakers & Transducers Balanced Armature Speaker

Datasheet

Non-Stocked Lead-Time 12 Weeks

CHF 17.86

Min.: 100
Mult.: 100

Receivers

Acoustic

5.5 kHz

128 dBA

100 Ohms

Rectangular

Wire Leads

9.47 mm

7.18 mm

4.1 mm

Speakers & Transducers 1.78DIA X 1.65MM SCREEN 3300 RES

BF-3036-000
Knowles
1: CHF 2.61
Non-Stocked

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

Non-Stocked

CHF 2.61

CHF 1.90

CHF 1.68

CHF 1.56

View

Min.: 1
Mult.: 1

Dampers

Acoustic

3.3 kOhms

Round

1.78 mm

1.65 mm

Speakers & Transducers Balanced Armature Speaker

CI-22748-000
Knowles
100: CHF 17.86
Non-Stocked

Mfr. Part No.
CI-22748-000

Mouser Part No
721-CI-22748-000

Knowles

Speakers & Transducers Balanced Armature Speaker

Datasheet

Non-Stocked

CHF 17.86

Min.: 100
Mult.: 100

Receivers

Acoustic

Board Mount

5.5 kHz

128 dBA

250 Ohms

Solder Pad

9.47 mm

7.18 mm

4.1 mm

Speakers & Transducers Balanced Armature Speaker

CI-28352-000
Knowles
100: CHF 17.86
Non-Stocked

Mfr. Part No.
CI-28352-000

Mouser Part No
721-CI-28352-000

Knowles

Speakers & Transducers Balanced Armature Speaker

Datasheet

Non-Stocked

CHF 17.86

Min.: 100
Mult.: 100

Receivers

Acoustic

Board Mount

5.5 kHz

128 dBA

68 Ohms

Rectangular

Solder Pad

9.47 mm

7.18 mm

4.1 mm

Speakers & Transducers Balanced Armature Speaker

CI-28597-000
Knowles
100: CHF 17.86
Non-Stocked

Mfr. Part No.
CI-28597-000

Mouser Part No
721-CI-28597-000

Knowles

Speakers & Transducers Balanced Armature Speaker

Datasheet

Non-Stocked

CHF 17.86

Min.: 100
Mult.: 100

Receivers

Acoustic

Board Mount

5.5 kHz

128 dBA

68 Ohms

Rectangular

Solder Pad

9.47 mm

7.18 mm

4.1 mm

Speakers & Transducers EMC

BF-9778-000
Knowles
1: CHF 1.91
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

CHF 1.91

CHF 1.48

CHF 1.31

CHF 1.26

View

Min.: 1
Mult.: 1

Dampers

Acoustic

2.2 kOhms

Round

1.37 mm

1.57 mm

Speakers & Transducers Balanced Armature Speaker

CI-28267-000
Knowles
Non-Stocked

Mfr. Part No.
CI-28267-000

Mouser Part No
721-CI-28267-000

Knowles

Speakers & Transducers Balanced Armature Speaker

Datasheet

Non-Stocked

Quote

Receivers

Acoustic

Board Mount

5.5 kHz

125 dBA

250 Ohms

Rectangular

Solder Pad

9.47 mm

7.18 mm

4.1 mm

Acoustic Speakers & Transducers

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