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

Continuous Audio Devices

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

Types of Audio Devices

List Images

Results: 516

Applied Filters:

Tone = Continuous

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 - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 28X25

PK-20A35EWQ
Mallory Sonalert
1: $7.63
176In Stock
2,435Expected 24/8/2026

Mfr. Part No.
PK-20A35EWQ

Mouser Part No
539-PK20A35EWQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 28X25

Datasheet

176In Stock

2,435Expected 24/8/2026

$7.63

$5.58

$5.17

$4.79

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.8KHZ, 95DB, 23X18

PK-20A38WQ
Mallory Sonalert
1: $8.20
6In Stock

Mfr. Part No.
PK-20A38WQ

Mouser Part No
539-PK20A38WQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.8KHZ, 95DB, 23X18

Datasheet

6In Stock

$8.20

$6.50

$5.83

$5.41

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-28VDC 3.8KHZ, 90DB, 23X18

PK-20N38PQ
Mallory Sonalert
1: $7.10
96In Stock

Mfr. Part No.
PK-20N38PQ

Mouser Part No
539-PK20N38PQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 3-28VDC 3.8KHZ, 90DB, 23X18

Datasheet

96In Stock

$7.10

$5.63

$5.09

$4.71

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Board Mount CONSTANT, 1.5-30VDC 3KHZ, 80DB, 24X14MM

PK-21N31PQ
Mallory Sonalert
1: $7.83
89In Stock
138Expected 14/9/2026

Mfr. Part No.
PK-21N31PQ

Mouser Part No
539-PK21N31PQ

Mallory Sonalert

Buzzers & Audio Indicators - Board Mount CONSTANT, 1.5-30VDC 3KHZ, 80DB, 24X14MM

Datasheet

89In Stock

138Expected 14/9/2026

$7.83

$6.27

$5.66

$5.25

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 37X24

PK-27A35EPQ
Mallory Sonalert
1: $14.23
156In Stock
91Expected 23/9/2026

Mfr. Part No.
PK-27A35EPQ

Mouser Part No
539-PK27A35EPQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 37X24

Datasheet

156In Stock

91Expected 23/9/2026

$14.23

$11.36

$10.25

$9.51

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 37X24

PK-27A35ERQ
Mallory Sonalert
1: $15.86
16In Stock

Mfr. Part No.
PK-27A35ERQ

Mouser Part No
539-PK27A35ERQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-24VDC 3.5KHZ, 95DB, 37X24

Datasheet

16In Stock

$15.86

$14.65

$11.04

$10.25

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X16

PK-27N35WQ
Mallory Sonalert
1: $7.55
29In Stock

Mfr. Part No.
PK-27N35WQ

Mouser Part No
539-PK27N35WQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X16

Datasheet

29In Stock

$7.55

$6.08

$5.49

$4.98

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X10

PK-27N36WQ
Mallory Sonalert
1: $7.74
294In Stock
237Expected 13/8/2026

Mfr. Part No.
PK-27N36WQ

Mouser Part No
539-PK27N36WQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 3.5KHZ, 90DB, 30X10

Datasheet

294In Stock

237Expected 13/8/2026

$7.74

$6.53

$5.97

$5.71

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 2.9KHZ, 90DB, 42X16

PK-35N29WQ
Mallory Sonalert
1: $8.94
200In Stock

Mfr. Part No.
PK-35N29WQ

Mouser Part No
539-PK35N29WQ

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 3-28VDC 2.9KHZ, 90DB, 42X16

Datasheet

200In Stock

$8.94

$7.89

$6.85

$6.57

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 5-15VDC 100DB, 2.8KHZ, 50X18

PS-580Q
Mallory Sonalert
1: $13.22
52In Stock

Mfr. Part No.
PS-580Q

Mouser Part No
539-PS-580Q

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 5-15VDC 100DB, 2.8KHZ, 50X18

Datasheet

52In Stock

$13.22

$10.16

$9.19

$8.92

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial RAFIX 16 Buzzer

1.30.078.021/0100
RAFI
1: $70.34
1In Stock

Mfr. Part No.
1.30.078.021/0100

Mouser Part No
611-130.078.021/0100

RAFI

Buzzers & Audio Indicators - Industrial RAFIX 16 Buzzer

Datasheet

1In Stock

$70.34

$61.49

$58.37

$57.01

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial RAFIX 22 QR Buzzer

1.30.249.001/0000
RAFI
1: $89.24
6In Stock

Mfr. Part No.
1.30.249.001/0000

Mouser Part No
611-130.249.001/0000

RAFI

Buzzers & Audio Indicators - Industrial RAFIX 22 QR Buzzer

Datasheet

6In Stock

$89.24

$74.77

$68.58

$64.21

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial HPT Signal horn 230 V AC , grey

712100113
Auer Signal
1: $229.21
3In Stock

Mfr. Part No.
712100113

Mouser Part No
900-712100113

Auer Signal

Buzzers & Audio Indicators - Industrial HPT Signal horn 230 V AC , grey

Datasheet

3In Stock

$229.21

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VAC/DC ALARM + LED, XLOUD

LSC628AN
Mallory Sonalert
1: $111.70
7In Stock

Mfr. Part No.
LSC628AN

Mouser Part No
539-LSC628AN

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28VAC/DC ALARM + LED, XLOUD

Learn More

Datasheet

7In Stock

$111.70

$87.31

$79.48

$74.13

Min.: 1
Mult.: 1

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

SC110H
Mallory Sonalert
1: $78.65
5In Stock

Mfr. Part No.
SC110H

Mouser Part No
539-SC110H

Mallory Sonalert

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

Datasheet

Product Comments

5In Stock

$78.65

$61.32

$55.77

$51.98

$49.72

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V MIL/RUGGED, 2900HZ

SC110M
Mallory Sonalert
1: $135.14
5In Stock

Mfr. Part No.
SC110M

Mouser Part No
539-SC110M

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V MIL/RUGGED, 2900HZ

Datasheet

5In Stock

$135.14

$106.64

$97.38

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V MIL/RUGGED, LOUD

SC110MN
Mallory Sonalert
1: $216.43
3In Stock

Mfr. Part No.
SC110MN

Mouser Part No
539-SC110MN

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 30-120V MIL/RUGGED, LOUD

Datasheet

3In Stock

$216.43

$173.24

$158.70

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V MIL/RUGGED, MEDIUM

SC250M
Mallory Sonalert
1: $182.20
5In Stock

Mfr. Part No.
SC250M

Mouser Part No
539-SC250M

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 60-250V MIL/RUGGED, MEDIUM

Datasheet

5In Stock

$182.20

$163.93

$156.94

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-16VDC MIL/RUGGED, LOUD

SC616MN
Mallory Sonalert
1: $78.73
3In Stock

Mfr. Part No.
SC616MN

Mouser Part No
539-SC616MN

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-16VDC MIL/RUGGED, LOUD

Datasheet

3In Stock

$78.73

$61.39

$55.83

$52.03

$49.78

Min.: 1
Mult.: 1

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

SC628A
Mallory Sonalert
1: $56.49
8In Stock

Mfr. Part No.
SC628A

Mouser Part No
539-SC628A

Mallory Sonalert

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

Datasheet

8In Stock

$56.49

$47.87

$44.12

$41.09

View

Min.: 1
Mult.: 1

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

SC628D
Mallory Sonalert
1: $38.35
41In Stock

Mfr. Part No.
SC628D

Mouser Part No
539-SC628D

Mallory Sonalert

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

Datasheet

41In Stock

$38.35

$32.75

$29.81

$28.71

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial SONALERT 6-28V

SC628H
Mallory Sonalert
1: $43.14
16In Stock

Mfr. Part No.
SC628H

Mouser Part No
539-SC628H

Mallory Sonalert

Buzzers & Audio Indicators - Industrial SONALERT 6-28V

Datasheet

16In Stock

$43.14

$36.39

$33.59

$31.05

View

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT/SLOW PULSE 6-28VDC, 2 NEG TERMS

SC628JU-1
Mallory Sonalert
1: $77.96
15In Stock

Mfr. Part No.
SC628JU-1

Mouser Part No
539-SC628JU-1

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT/SLOW PULSE 6-28VDC, 2 NEG TERMS

Datasheet

15In Stock

$77.96

$64.98

$56.67

$54.20

View

Min.: 1
Mult.: 1

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

SC628M
Mallory Sonalert
1: $86.18
16In Stock

Mfr. Part No.
SC628M

Mouser Part No
539-SC628M

Mallory Sonalert

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

Learn More

Datasheet

16In Stock

$86.18

$68.60

$63.08

$59.80

$58.62

Min.: 1
Mult.: 1

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28V MIL/RUGGED, MEDIUM

SC628MA
Mallory Sonalert
1: $134.45
3In Stock

Mfr. Part No.
SC628MA

Mouser Part No
539-SC628MA

Mallory Sonalert

Buzzers & Audio Indicators - Industrial CONSTANT, 6-28V MIL/RUGGED, MEDIUM

Datasheet

3In Stock

$134.45

$131.81

Min.: 1
Mult.: 1

Continuous Audio Devices

Types of Audio Devices

Customer Service Office

Company

Resources

Support