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12v alarm siren

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Home / Electrical Components / 12v alarm siren refurbished & used for sale | For Sale UK
12v volt piezo siren - 12v, 12

12v volt piezo siren - 12v, 12

£8.50
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Universal 12v motor driven air - universal,

Universal 12v motor driven air - universal,

£13.49
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Heavy duty reversing alarm - heavy,

Heavy duty reversing alarm - heavy,

£14.99
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12v battery backup siren horn - backup,

12v battery backup siren horn - backup,

£13.29
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Wired loud alarm horn 110db - wired,

Wired loud alarm horn 110db - wired,

£8.79
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2pcs 12v piezo - 2pcs,

2pcs 12v piezo - 2pcs,

£2.99
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100w sound 12v car - sound,

100w sound 12v car - sound,

£13.01
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100w 12v tone - 100w,

100w 12v tone - 100w,

£11.00
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12v 120db mini loud wired - dc,

12v 120db mini loud wired - dc,

£3.60
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12v sound loud - 12v, 7

12v sound loud - 12v, 7

£10.99
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Tone miniature panel - tone,

Tone miniature panel - tone,

£9.49
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Loud electric motor - loud,

Loud electric motor - loud,

£8.39
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12v led security alarm - dc,

12v led security alarm - dc,

£4.87
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12v battery backup - 12v, for

12v battery backup - 12v, for

£16.95
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Motion sensor alarm 12v 240v - motion, 12v/240v

Motion sensor alarm 12v 240v - motion, 12v/240v

£51.66
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Dc12v 120db mini - 120db, loud

Dc12v 120db mini - 120db, loud

£13.49
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Outdoor siren indoor - outdoor,

Outdoor siren indoor - outdoor,

£13.00
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100w 12v tone sound - 100w,

100w 12v tone sound - 100w,

£10.75
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New warning strobe siren sound - strobe,

New warning strobe siren sound - strobe,

£5.79
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Sound tone loud - loud, vip

Sound tone loud - loud, vip

£11.00
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Car reverse siren - siren, backup

Car reverse siren - siren, backup

£8.97
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Universal 12v motor driven air - 12v,

Universal 12v motor driven air - 12v,

£7.32
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Technaxx universal car - technaxx, alarm

Technaxx universal car - technaxx, alarm

£29.99
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2pcs 12v piezo buzzer - 12v, alarm

2pcs 12v piezo buzzer - 12v, alarm

£2.71
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12v led security alarm - 12v,

12v led security alarm - 12v,

£9.30
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3am 922 000 971 - 3am, trumpet

3am 922 000 971 - 3am, trumpet

£18.78
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Wired loud alarm horn 110db - wired,

Wired loud alarm horn 110db - wired,

£8.99
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100w 12v car - 100w,

100w 12v car - 100w,

£11.00
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12v siren for car - for, alarms

12v siren for car - for, alarms

£13.95
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12v battery backup siren for - 12v,

12v battery backup siren for - 12v,

£13.49
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Motion sensor alarm 12v - sensor, 12v/240v

Motion sensor alarm 12v - sensor, 12v/240v

£46.46
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Wired loud alarm - wired,

Wired loud alarm - wired,

£10.39
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12v 130db wireless electronic - 12v,

12v 130db wireless electronic - 12v,

£16.79
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Wired loud alarm horn 110db - alarm,

Wired loud alarm horn 110db - alarm,

£10.19
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Outdoor alarm siren - alarm, and

Outdoor alarm siren - alarm, and

£34.00
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12v siren for - car, alarms

12v siren for - car, alarms

£14.95
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12v 120db mini loud - dc,

12v 120db mini loud - dc,

£4.74
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12v 130db wireless - 130db,

12v 130db wireless - 130db,

£17.99
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Universal siren tone - 1, battery

Universal siren tone - 1, battery

£12.82
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120db car battery backup siren - car,

120db car battery backup siren - car,

£13.49
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Piezo siren 12v sounder - piezo,

Piezo siren 12v sounder - piezo,

£7.59
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Universal 12v motor driven air - motor,

Universal 12v motor driven air - motor,

£7.40
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Tone 12v 100w sound - tone,

Tone 12v 100w sound - tone,

£13.49
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12v battery backup siren for - battery,

12v battery backup siren for - battery,

£12.82
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Universal 12v motor driven air - motor,

Universal 12v motor driven air - motor,

£7.14
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12v sound loud car warning - sound,

12v sound loud car warning - sound,

£11.00
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12v 110db two tone mini - 110db,

12v 110db two tone mini - 110db,

£8.00
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Universal 12v battery backup - universal,

Universal 12v battery backup - universal,

£13.99
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12v led security - led,

12v led security - led,

£9.00
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Miniature piezo siren 12v - siren,

Miniature piezo siren 12v - siren,

£6.09
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Piezo siren 12v sounder - siren, alarm

Piezo siren 12v sounder - siren, alarm

£7.79
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100w 12v tone sound car - tone,

100w 12v tone sound car - tone,

£8.00
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12v high water level bilge - high,

12v high water level bilge - high,

£18.24
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Siren tone for car alarm - siren,

Siren tone for car alarm - siren,

£13.95
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Dc12v 200w sound loud car - 200w,

Dc12v 200w sound loud car - 200w,

£119.99
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12v sound loud - 7, boat

12v sound loud - 7, boat

£10.99
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Wired strobe siren 120db - 120db, sound

Wired strobe siren 120db - 120db, sound

£5.84
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Universal 12v motor driven - universal,

Universal 12v motor driven - universal,

£7.50
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Wired strobe siren 120db sound - siren,

Wired strobe siren 120db sound - siren,

£4.20
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Tone 12v 100w sound car - 12v,

Tone 12v 100w sound car - 12v,

£11.00
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12v 120db mini - 12v, wired

12v 120db mini - 12v, wired

£5.95
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Piezo siren 12v sounder alarm - 12v,

Piezo siren 12v sounder alarm - 12v,

£12.02
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Alarm horn siren buzzer - siren, 12v

Alarm horn siren buzzer - siren, 12v

£7.54
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Car truck reverse warning - car,

Car truck reverse warning - car,

£12.78
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Hella 3al 922 000 - hella,

Hella 3al 922 000 - hella,

£12.51
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12v car alarm - car, loud

12v car alarm - car, loud

£11.00
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Universal 12v motor driven - motor,

Universal 12v motor driven - motor,

£7.30
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High decibel alarm waterproof - decibel,

High decibel alarm waterproof - decibel,

£14.15
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2pcs 12v piezo buzzer - 12v,

2pcs 12v piezo buzzer - 12v,

£4.00
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Wired strobe siren - wired,

Wired strobe siren - wired,

£5.79
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Car truck warning - warning, alarm

Car truck warning - warning, alarm

£15.57
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Wired strobe siren 120db - siren,

Wired strobe siren 120db - siren,

£5.32
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Car truck reverse warning - car,

Car truck reverse warning - car,

£11.00
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12v reverse siren warning - reverse,

12v reverse siren warning - reverse,

£10.96
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12v 120db mini loud - 120db,

12v 120db mini loud - 120db,

£5.45
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Hella 3am 922 000 - 000-971, trumpet

Hella 3am 922 000 - 000-971, trumpet

£17.77
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Wired loud alarm horn 110db - wired,

Wired loud alarm horn 110db - wired,

£10.80
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12v 24v truck vehicles car - 12v-24v,

12v 24v truck vehicles car - 12v-24v,

£13.49
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12v 24v 120db - 12v-24v,

12v 24v 120db - 12v-24v,

£12.82
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12v 130db wireless electronic - wireless,

12v 130db wireless electronic - wireless,

£24.69
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Universal 12v motor - universal, driven

Universal 12v motor - universal, driven

£8.41
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100w 12v tone sound car - 100w,

100w 12v tone sound car - 100w,

£11.00
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120 12v wired alarm siren - 12v,

120 12v wired alarm siren - 12v,

£13.90
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105db reversing horn back - reversing,

105db reversing horn back - reversing,

£7.46
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12v 120db battery backup - 12v,

12v 120db battery backup - 12v,

£13.49
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Mini piezo siren 12v - piezo, 6v

Mini piezo siren 12v - piezo, 6v

£4.99
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12v siren strobe - &, dc

12v siren strobe - &, dc

£31.90
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Sounds 90dba panel mount - 6,

Sounds 90dba panel mount - 6,

£9.49
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Piezo siren 12v sounder alarm - siren,

Piezo siren 12v sounder alarm - siren,

£15.00
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Heavy duty waterproof - heavy,

Heavy duty waterproof - heavy,

£17.99
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12v 120db battery backup - 12v, siren

12v 120db battery backup - 12v, siren

£13.99
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12v reverse siren 105 - reverse,

12v reverse siren 105 - reverse,

£8.97
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12v 120db mini loud - 120db,

12v 120db mini loud - 120db,

£4.29
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2pcs 12v piezo buzzer - 12v,

2pcs 12v piezo buzzer - 12v,

£3.75
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Universal 12v 120db battery - 12v,

Universal 12v 120db battery - 12v,

£13.49
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12v 130db wireless electronic - 130db,

12v 130db wireless electronic - 130db,

£20.90
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📊96 listings · from £2.71 · avg £13.29
⚠️ These listings were last updated more than 16 days ago. Search for fresh listings

Browse 96 12v alarm siren listings currently in our index. Prices range from £2.71 to £119.99, with an average of £13.29. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 12v alarm siren →

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Everything you need to know about 12v alarm siren

Whether you are looking for a brand-new or second-hand 12v alarm siren, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £2.71, while premium listings can reach £119.99 — giving you a wide budget spread to work with. The average price of £13.29 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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