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Audio Signal Indicator Units:

388 Products Found

Farnell provides a curated selection of audio signal indicators that meet diverse industry needs - from compact buzzers to programmable voice annunciators. Our range supports applications requiring high audibility and reliable acoustic signalling.

Audio signal indicator units are designed to emit sound alerts in response to specific triggers within a process or system. These devices ensure that operators receive clear and immediate feedback in environments where visual alerts may not suffice.

Features include tone variation, volume control, continuous/intermittent sound options and wide operating voltages. Common use cases:

  • Assembly Lines: Alerting for production stops or faults.
  • Safety Systems: Emergency or evacuation alerts.
  • Public Infrastructure: Acoustic signalling in transport hubs or automated kiosks.
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Supply Voltage VDC
Tones
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ComparePrice ForQuantity
2831555

RoHS

Each
1+
£113.120
Total:£113.12
Min: 1 / Mult: 1
230V
-
Multiple
100dB
IP54
K70 Series
-
-
69mm
-20°C
50°C
4295295

RoHS

Each
1+
£42.950
5+
£42.770
10+
£42.590
Total:£42.95
Min: 1 / Mult: 1
240V
-
Intermittent
80dB
IP65, NEMA 1, NEMA 2, NEMA 3, NEMA 3R, NEMA 4, NEMA 4X, NEMA 12, NEMA 13
MP Buzzers
-
20mA
68mm
-25°C
65°C
4295291

RoHS

Each
1+
£50.530
5+
£50.320
10+
£50.100
Total:£50.53
Min: 1 / Mult: 1
240V
-
Continuous
80dB
IP65, NEMA 1, NEMA 2, NEMA 3, NEMA 3R, NEMA 4, NEMA 4X, NEMA 12, NEMA 13
MP Buzzers
-
20mA
68mm
-25°C
65°C
3956837

RoHS

Each
1+
£101.490
Total:£101.49
Min: 1 / Mult: 1
230V
-
8 Tone
100dB
IP54, NEMA 12
KombiSIGN 70 Series
3.4kHz
40mA
72mm
-20°C
50°C
4295288

RoHS

Each
1+
£42.950
5+
£42.770
10+
£42.590
Total:£42.95
Min: 1 / Mult: 1
12V
12V
Continuous
80dB
IP65, NEMA 1, NEMA 2, NEMA 3, NEMA 3R, NEMA 4, NEMA 4X, NEMA 12, NEMA 13
MP Buzzers
-
60mA
68mm
-25°C
65°C
4295289

RoHS

Each
1+
£42.950
5+
£42.770
10+
£42.590
Total:£42.95
Min: 1 / Mult: 1
24V
24V
Continuous
80dB
IP65, NEMA 1, NEMA 2, NEMA 3, NEMA 3R, NEMA 4, NEMA 4X, NEMA 12, NEMA 13
MP Buzzers
-
60mA
68mm
-25°C
65°C
4155248

RoHS

Each
1+
£29.590
Total:£29.59
Min: 1 / Mult: 1
-
35V
3 Tone
99dBA
IP66
BiWire Ultra Series
-
11mA
100mm
-25°C
70°C
4295294

RoHS

Each
1+
£42.950
5+
£42.090
Total:£42.95
Min: 1 / Mult: 1
110V
-
Intermittent
80dB
IP65, NEMA 1, NEMA 2, NEMA 3, NEMA 3R, NEMA 4, NEMA 4X, NEMA 12, NEMA 13
MP Buzzers
-
20mA
68mm
-25°C
65°C
4295293

RoHS

Each
1+
£42.950
5+
£42.770
10+
£42.590
Total:£42.95
Min: 1 / Mult: 1
24V
24V
Intermittent
80dB
IP65, NEMA 1, NEMA 2, NEMA 3, NEMA 3R, NEMA 4, NEMA 4X, NEMA 12, NEMA 13
MP Buzzers
-
60mA
68mm
-25°C
65°C
3225036

RoHS

Each
1+
£84.340
Total:£84.34
Min: 1 / Mult: 1
230V
-
102 Tone
110dB
IP66, IP69K
X10 Midi Series
-
34mA
132mm
-40°C
70°C
1751901

RoHS

Each
1+
£35.420
5+
£34.240
10+
£33.130
Total:£35.42
Min: 1 / Mult: 1
230V
-
Multiple Tones
102dB
IP54, IP65
Roshini Series
-
16mA
93mm
-10°C
55°C
1320820

RoHS

Each
1+
£23.010
5+
£22.240
10+
£21.520
Total:£23.01
Min: 1 / Mult: 1
-
24V
Multiple Tones
102dB
IP65
Roshni Series
-
16mA
93mm
-25°C
80°C
8810150
Each
1+
£178.310
Total:£178.31
Min: 1 / Mult: 1
230V
-
Single
127dB
IP21
-
1.68kHz
1A
140mm
-30°C
45°C
1320818

RoHS

Each
1+
£23.820
5+
£23.020
10+
£22.280
Total:£23.82
Min: 1 / Mult: 1
-
24V
Multiple Tones
96dB
IP65
Roshni Series
-
8mA
93mm
-25°C
80°C
1320826

RoHS

Each
1+
£35.850
5+
£35.130
10+
£34.410
Total:£35.85
Min: 1 / Mult: 1
-
24V
Single
84dB
-
-
-
25mA
152mm
-
-
1649237

RoHS

Each
1+
£12.680
5+
£12.530
10+
£12.250
Total:£12.68
Min: 1 / Mult: 1
24V
24V
Continuous, Pulse
85dB
IP55
AE20M Series
2.9kHz
25mA
43mm
-20°C
60°C
1320817

RoHS

Each
1+
£24.820
5+
£24.250
10+
£23.950
Total:£24.82
Min: 1 / Mult: 1
-
24V
32 Tone
102dB
IP54
Roshni Series
-
8mA
93mm
-25°C
70°C
2401645

RoHS

Each
1+
£58.090
5+
£56.930
10+
£55.770
Total:£58.09
Min: 1 / Mult: 1
-
24V
Multiple Tones
106dB
IP65
-
-
35mA
81mm
-35°C
66°C
3225027

RoHS

Each
1+
£63.920
Total:£63.92
Min: 1 / Mult: 1
230V
-
-
100dB
IP66, IP69K
X10 Mini Series
-
32mA
119mm
-40°C
70°C
2059722

RoHS

Each
1+
£23.630
5+
£22.850
10+
£22.330
Total:£23.63
Min: 1 / Mult: 1
-
28V
Continuous, Pulse
100dB
IP30
-
3.2kHz
50mA
49mm
-20°C
60°C
1214979

RoHS

Each
1+
£43.450
5+
£42.580
10+
£41.710
Total:£43.45
Min: 1 / Mult: 1
24V
24V
Continuous
85dB
IP65
-
1.75kHz
25mA
72mm
-20°C
50°C
4336781

RoHS

Each
1+
£123.500
Total:£123.50
Min: 1 / Mult: 1
230V
-
Continuous
108dB
IP55
570 Series
-
70mA
152mm
60°C
60°C
4336744

RoHS

Each
1+
£114.670
Total:£114.67
Min: 1 / Mult: 1
-
24V
Multiple Tones
100dB
IP65
110 Series
3.4kHz
80mA
52mm
-20°C
50°C
2911806

RoHS

Each
1+
£37.670
5+
£35.790
10+
£33.910
Total:£37.67
Min: 1 / Mult: 1
24V
24V
Continuous
90dB
IP66, IP67, IP69K, NEMA 1, 3R, 4, 4X, 12, 13
Compact Series
-
40mA
55mm
-25°C
70°C
3566181

RoHS

Each
1+
£23.010
5+
£22.240
10+
£21.520
Total:£23.01
Min: 1 / Mult: 1
-
28V
32 Tone
102dB
IP54
RoLP Series
-
12mA
63mm
-25°C
70°C
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