.hide-partial { max-height: none; } .show-more { display: none; }

2.9 kHz Audio Devices

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Audio Devices

List Images

Results: 260

Applied Filters:

Frequency = 2.9 kHz

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Buzzers & Audio Indicators - Board Mount CONSTANT, 4-28VDC PC PINS, CUL APPRVD

SBM428R
Mallory Sonalert
1: $25.90
89In Stock

Mfr. Part No.
SBM428R

Mouser Part No
539-SBM428R

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 4-28VDC PC PINS, CUL APPRVD

Datasheet

89In Stock

$25.90

$20.07

$18.68

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial SLOW PULSE, 30-120V 2900HZ, CUL APPRVD

SC110JR
Mallory Sonalert
1: $57.08
32In Stock

Mfr. Part No.
SC110JR

Mouser Part No
539-SC110JR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial SLOW PULSE, 30-120V 2900HZ, CUL APPRVD

Learn More

Datasheet

32In Stock

$57.08

$46.54

$43.44

$40.96

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V 2900HZ, CUL APPRVD

SC250NR
Mallory Sonalert
1: $56.50
53In Stock

Mfr. Part No.
SC250NR

Mouser Part No
539-SC250NR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V 2900HZ, CUL APPRVD

Datasheet

53In Stock

$56.50

$43.93

$39.67

$37.33

$37.04

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-16VDC XLOUD, CUL APPRVD

SC616NR
Mallory Sonalert
1: $24.84
738In Stock

Mfr. Part No.
SC616NR

Mouser Part No
539-SC616NR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-16VDC XLOUD, CUL APPRVD

Datasheet

738In Stock

$24.84

$19.25

$17.47

$16.36

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial MED CONTINUOUS 6-28V

SC628
Mallory Sonalert
1: $19.65
896In Stock

Mfr. Part No.
SC628

Mouser Part No
539-SC628

Mallory Sonalert

Buzzers & Audio Indicators - Industrial MED CONTINUOUS 6-28V

Datasheet

896In Stock

$19.65

$15.19

$13.77

$13.05

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-28VAC XLOUD, CUL APPRVD

SC628ANJR
Mallory Sonalert
1: $56.15
35In Stock

Mfr. Part No.
SC628ANJR

Mouser Part No
539-SC628ANJR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial SLOW PULSE, 6-28VAC XLOUD, CUL APPRVD

Learn More

Datasheet

35In Stock

$56.15

$49.83

$47.10

$37.75

$37.68

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial FAST PULSE, 6-28VAC XLOUD, CUL APPRVD

SC628ANPR
Mallory Sonalert
1: $69.77
31In Stock

Mfr. Part No.
SC628ANPR

Mouser Part No
539-SC628ANPR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial FAST PULSE, 6-28VAC XLOUD, CUL APPRVD

Learn More

Datasheet

31In Stock

$69.77

$59.41

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VAC XLOUD, CUL APPRVD

SC628ANR
Mallory Sonalert
1: $44.17
283In Stock

Mfr. Part No.
SC628ANR

Mouser Part No
539-SC628ANR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VAC XLOUD, CUL APPRVD

Datasheet

283In Stock

$44.17

$36.89

$34.92

$34.46

$34.06

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial Classic Sonalert w/ Flat Blade terminals

SC628N-BTR
Mallory Sonalert
1: $24.24
126In Stock

Mfr. Part No.
SC628N-BTR

Mouser Part No
539-SC628N-BTR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial Classic Sonalert w/ Flat Blade terminals

Datasheet

126In Stock

$24.24

$22.40

$20.14

$18.41

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 2900HZ, CUL APPRVD

SC628NLR
Mallory Sonalert
1: $34.10
136In Stock

Mfr. Part No.
SC628NLR

Mouser Part No
539-SC628NLR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC 2900HZ, CUL APPRVD

Learn More

Datasheet

136In Stock

$34.10

$26.30

$23.81

$22.18

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC LOUD, CUL APPRVD

SC628NR
Mallory Sonalert
1: $22.89
261In Stock
243Expected 2026/08/20

Mfr. Part No.
SC628NR

Mouser Part No
539-SC628NR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC LOUD, CUL APPRVD

Datasheet

261In Stock

243Expected 2026/08/20

$22.89

$18.86

$17.50

$15.91

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT 16-28VDC, 3KHZ, MED

SCE028MD3CTB
Mallory Sonalert
1: $26.63
556In Stock

Mfr. Part No.
SCE028MD3CTB

Mouser Part No
539-SCE028MD3CTB

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT 16-28VDC, 3KHZ, MED

Learn More

Datasheet

556In Stock

$26.63

$20.76

$18.86

$17.93

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC LOUD, CLASS I DIV II

SCH628NR
Mallory Sonalert
1: $226.67
23In Stock

Mfr. Part No.
SCH628NR

Mouser Part No
539-SCH628NR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC LOUD, CLASS I DIV II

Datasheet

23In Stock

$226.67

$202.18

$188.48

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial FAST PULSE, 6-28VDC MED, CLASS I DIV II

SCH628PR
Mallory Sonalert
1: $345.74
5In Stock

Mfr. Part No.
SCH628PR

Mouser Part No
539-SCH628PR

Mallory Sonalert

Buzzers & Audio Indicators - Industrial FAST PULSE, 6-28VDC MED, CLASS I DIV II

Datasheet

5In Stock

$345.74

$283.83

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC MED, CLASS I DIV II

SCH628R
Mallory Sonalert
1: $219.32
8In Stock

Mfr. Part No.
SCH628R

Mouser Part No
539-SCH628R

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC MED, CLASS I DIV II

Datasheet

8In Stock

$219.32

$172.21

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 4-28VDC SNAP-IN, CUL APPRVD

SNP428R
Mallory Sonalert
1: $23.27
114In Stock

Mfr. Part No.
SNP428R

Mouser Part No
539-SNP428R

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 4-28VDC SNAP-IN, CUL APPRVD

Learn More

Datasheet

114In Stock

$23.27

$18.03

$16.34

$16.06

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial 12-28DC 87-104DB 2900HZ CONT 44X14

PK-41N29W-24VQ
Mallory Sonalert
1: $11.68
21In Stock

Mfr. Part No.
PK-41N29W-24VQ

Mouser Part No
539-PK-41N29W-24VQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial 12-28DC 87-104DB 2900HZ CONT 44X14

Learn More

Datasheet

21In Stock

$11.68

$9.00

$8.99

$8.87

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial MED CONT 30-120V

SC110
Mallory Sonalert
1: $52.03
104In Stock

Mfr. Part No.
SC110

Mouser Part No
539-SC110

Mallory Sonalert

Buzzers & Audio Indicators - Industrial MED CONT 30-120V

Datasheet

104In Stock

$52.03

$41.82

$37.96

$35.90

$35.01

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial LOUD CONT 30-120V

SC110N
Mallory Sonalert
1: $60.65
64In Stock

Mfr. Part No.
SC110N

Mouser Part No
539-SC110N

Mallory Sonalert

Buzzers & Audio Indicators - Industrial LOUD CONT 30-120V

Datasheet

64In Stock

$60.65

$49.15

$49.14

$47.85

$46.66

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial MEDIUM CHIME 6-16V

SC616CP
Mallory Sonalert
1: $51.51
63In Stock

Mfr. Part No.
SC616CP

Mouser Part No
539-SC616CP

Mallory Sonalert

Buzzers & Audio Indicators - Industrial MEDIUM CHIME 6-16V

Datasheet

63In Stock

$51.51

$39.79

$35.86

$34.23

$33.37

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial LOUD CONT 6-16V

SC616N
Mallory Sonalert
1: $30.89
93In Stock

Mfr. Part No.
SC616N

Mouser Part No
539-SC616N

Mallory Sonalert

Buzzers & Audio Indicators - Industrial LOUD CONT 6-16V

Datasheet

93In Stock

$30.89

$26.25

$24.88

$22.91

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial LOUD CONT 6-28V

SC628AN
Mallory Sonalert
1: $48.24
69In Stock

Mfr. Part No.
SC628AN

Mouser Part No
539-SC628AN

Mallory Sonalert

Buzzers & Audio Indicators - Industrial LOUD CONT 6-28V

Datasheet

69In Stock

$48.24

$39.17

$37.81

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial SONALERT 6-28V

SC628ANP
Mallory Sonalert
1: $71.37
78In Stock

Mfr. Part No.
SC628ANP

Mouser Part No
539-SC628ANP

Mallory Sonalert

Buzzers & Audio Indicators - Industrial SONALERT 6-28V

Datasheet

78In Stock

$71.37

$60.88

$55.98

$55.79

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC MIL/RUGGED, LOUD

SC628MN
Mallory Sonalert
1: $60.64
83In Stock

Mfr. Part No.
SC628MN

Mouser Part No
539-SC628MN

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VDC MIL/RUGGED, LOUD

Learn More

Datasheet

83In Stock

$60.64

$49.42

$46.05

$44.09

$43.36

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONT. TONE 6-28V

SC628N
Mallory Sonalert
1: $31.62
115In Stock

Mfr. Part No.
SC628N

Mouser Part No
539-SC628N

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONT. TONE 6-28V

Datasheet

115In Stock

$31.62

$27.45

$21.64

$20.18

View

Min.: 1
Mult.: 1

2.9 kHz Audio Devices

Types of Audio Devices

Customer Service Office

Company

Resources

Support