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12v alarm siren

4

12v alarm siren for sale on Ireland's largest auction and classifieds sites

Wired loud 12v - wired, dc

Wired loud 12v - wired, dc

£6.95 · Buy It Now

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Wired loud alarm - wired, 110db

Wired loud alarm - wired, 110db

£9.87 · Buy It Now

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120db car battery backup - 120db,

120db car battery backup - 120db,

£13.49 · Buy It Now

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12v battery backup - battery,

12v battery backup - battery,

£14.95 · Buy It Now

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12v 120db mini loud wired - 12v,

12v 120db mini loud wired - 12v,

£3.97 · Buy It Now

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12v led security - dc,

12v led security - dc,

£5.00 · Buy It Now

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Car reverse alarm horn warning - car,

Car reverse alarm horn warning - car,

£7.20 · Buy It Now

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12v sound loud car warning - 7,

12v sound loud car warning - 7,

£10.95 · Buy It Now

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12v 120db battery - 12v, siren

12v 120db battery - 12v, siren

£13.29 · Buy It Now

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Universal car alarm - 12,

Universal car alarm - 12,

£16.39 · Buy It Now

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Car reverse siren - reverse, horn

Car reverse siren - reverse, horn

£8.97 · Buy It Now

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Wired strobe siren 120db sound - strobe,

Wired strobe siren 120db sound - strobe,

£5.50 · Buy It Now

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Wired loud alarm horn - loud,

Wired loud alarm horn - loud,

£10.99 · Buy It Now

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Heavy duty reversing - reversing, alarm

Heavy duty reversing - reversing, alarm

£14.99 · Buy It Now

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12v battery backup siren horn - 12v,

12v battery backup siren horn - 12v,

£13.99 · Buy It Now

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Universal 12v 120db battery - 12v,

Universal 12v 120db battery - 12v,

£13.49 · Buy It Now

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Outdoor alarm siren and - outdoor,

Outdoor alarm siren and - outdoor,

£32.10 · Buy It Now

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Car electronic alarm 12v - car,

Car electronic alarm 12v - car,

£10.99 · Buy It Now

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Siren tone for - tone, alarm

Siren tone for - tone, alarm

£13.95 · Buy It Now

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12v 120db mini loud - 12v, wired

12v 120db mini loud - 12v, wired

£4.09 · Buy It Now

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2pcs 12v piezo buzzer alarm - 2pcs,

2pcs 12v piezo buzzer alarm - 2pcs,

£3.95 · Buy It Now

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12v 120db mini loud - 12v,

12v 120db mini loud - 12v,

£3.82 · Buy It Now

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12v 120db mini loud wired - 12v,

12v 120db mini loud wired - 12v,

£4.74 · Buy It Now

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Piezo siren 12v sounder alarm - siren,

Piezo siren 12v sounder alarm - siren,

£7.19 · Buy It Now

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Universal 12v motor - motor, air

Universal 12v motor - motor, air

£13.49 · Buy It Now

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120db loud hand crank - 120db, siren

120db loud hand crank - 120db, siren

£13.49 · Buy It Now

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Outdoor siren indoor - outdoor,

Outdoor siren indoor - outdoor,

£13.00 · Buy It Now

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New warning strobe - new, siren

New warning strobe - new, siren

£5.49 · Buy It Now

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12v car security system - 12v,

12v car security system - 12v,

£27.10 · Buy It Now

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Sound 12v loud car alarm - car,

Sound 12v loud car alarm - car,

£21.16 · Buy It Now

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20pcs diy 12v electronic - 1-20pcs, dc

20pcs diy 12v electronic - 1-20pcs, dc

£78.99 · Buy It Now

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1pcs universal 12v - universal, battery

1pcs universal 12v - universal, battery

£13.49 · Buy It Now

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Miniature piezo siren 12v - piezo,

Miniature piezo siren 12v - piezo,

£5.49 · Buy It Now

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Car alarm siren - car, horn

Car alarm siren - car, horn

£10.69 · Buy It Now

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Electronic buzzer alarm - electronic,

Electronic buzzer alarm - electronic,

£9.70 · Buy It Now

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Universal 12v motor - motor, driven

Universal 12v motor - motor, driven

£7.99 · Buy It Now

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Universal 12v motor driven air - 12v,

Universal 12v motor driven air - 12v,

£8.16 · Buy It Now

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12v 120db mini - 120db, wired

12v 120db mini - 120db, wired

£6.35 · Buy It Now

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Siren alarm horn with override - siren,

Siren alarm horn with override - siren,

£13.49 · Buy It Now

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Wired loud alarm horn - alarm,

Wired loud alarm horn - alarm,

£11.94 · Buy It Now

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Wired loud alarm siren 110db - siren,

Wired loud alarm siren 110db - siren,

£12.99 · Buy It Now

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12v wired alarm siren horn - wired,

12v wired alarm siren horn - wired,

£6.51 · Buy It Now

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12v 120db mini wired horn - 12v, loud

12v 120db mini wired horn - 12v, loud

£6.12 · Buy It Now

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Lynteck sound bomb - sound,

Lynteck sound bomb - sound,

£6.52 · Buy It Now

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12v 120db mini loud - dc,

12v 120db mini loud - dc,

£3.79 · Buy It Now

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Tone siren emergency alarm - tone,

Tone siren emergency alarm - tone,

£13.19 · Buy It Now

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12v high water level - ,

12v high water level - ,

£18.24 · Buy It Now

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Loud quad piezo siren - piezo,

Loud quad piezo siren - piezo,

£11.57 · Buy It Now

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Loud electric motor driven - loud,

Loud electric motor driven - loud,

£8.39 · Buy It Now

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12v 120db mini wired - wired, loud

12v 120db mini wired - wired, loud

£6.99 · Buy It Now

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220v wired alarm - wired, strobe

220v wired alarm - wired, strobe

£5.49 · Buy It Now

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Hella 3al 922 000 961 - hella, 000-961

Hella 3al 922 000 961 - hella, 000-961

£12.51 · Buy It Now

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Siren 6tone for - 6tone,

Siren 6tone for - 6tone,

£14.95 · Buy It Now

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120 12v wired - alarm, siren

120 12v wired - alarm, siren

£13.90 · Buy It Now

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12v 120db mini loud wired - 12v,

12v 120db mini loud wired - 12v,

£5.95 · Buy It Now

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Hella 3al 922 - 3al,

Hella 3al 922 - 3al,

£12.51 · Buy It Now

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12v 120db mini wired - mini, horn

12v 120db mini wired - mini, horn

£5.99 · Buy It Now

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Car truck warning alarm - car,

Car truck warning alarm - car,

£15.57 · Buy It Now

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12v sound loud car warning - sound,

12v sound loud car warning - sound,

£15.59 · Buy It Now

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Outdoor siren indoor - indoor,

Outdoor siren indoor - indoor,

£13.00 · Buy It Now

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12v red motor driven alarm - red,

12v red motor driven alarm - red,

£7.94 · Buy It Now

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Universal 12v motor - motor, driven

Universal 12v motor - motor, driven

£7.12 · Buy It Now

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Dc12v 120db mini loud wired - dc12v,

Dc12v 120db mini loud wired - dc12v,

£6.05 · Buy It Now

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12v 24v 105db - auto, warning

12v 24v 105db - auto, warning

£7.74 · Buy It Now

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Universal car alarm - universal,

Universal car alarm - universal,

£16.39 · Buy It Now

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Dc12v 120db mini loud - loud, wired

Dc12v 120db mini loud - loud, wired

£13.49 · Buy It Now

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Replacement 12v adaptor - replacement, ac-dc

Replacement 12v adaptor - replacement, ac-dc

£11.49 · Buy It Now

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Universal 12v siren for car - 12v,

Universal 12v siren for car - 12v,

£13.95 · Buy It Now

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Wired strobe siren 220v - siren,

Wired strobe siren 220v - siren,

£5.24 · Buy It Now

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12v wired burglar - burglar, alarm

12v wired burglar - burglar, alarm

£8.99 · Buy It Now

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Universal 12v motor - driven, air

Universal 12v motor - driven, air

£8.54 · Buy It Now

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Wired strobe siren - strobe, 120db

Wired strobe siren - strobe, 120db

£5.75 · Buy It Now

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12v motorcycle motor cycle - motorcycle,

12v motorcycle motor cycle - motorcycle,

£13.19 · Buy It Now

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110db 12v wire - 110db, horn

110db 12v wire - 110db, horn

£12.61 · Buy It Now

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Outdoor alarm siren - alarm, and

Outdoor alarm siren - alarm, and

£83.90 · Buy It Now

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3am 922 000 971 - 3am, hella

3am 922 000 971 - 3am, hella

£19.99 · Buy It Now

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120db dc12v mini loud wired - 120db,

120db dc12v mini loud wired - 120db,

£13.49 · Buy It Now

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12v 120db mini loud - 120db,

12v 120db mini loud - 120db,

£4.16 · Buy It Now

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100w 12v tone sound car - 7,

100w 12v tone sound car - 7,

£10.98 · Buy It Now

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12v siren alarm - siren,

12v siren alarm - siren,

£14.99 · Buy It Now

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Strobe light siren alarm - light, with

Strobe light siren alarm - light, with

£5.51 · Buy It Now

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12v 120db loud - dc, indoor

12v 120db loud - dc, indoor

£13.59 · Buy It Now

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Hella 3al 922 200 - 922, signal

Hella 3al 922 200 - 922, signal

£17.41 · Buy It Now

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Active buzzers continuous - active,

Active buzzers continuous - active,

£3.33 · Buy It Now

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Motor driven air raid alarm - air,

Motor driven air raid alarm - air,

£13.49 · Buy It Now

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12v 24v 120db alarm - alarm, siren

12v 24v 120db alarm - alarm, siren

£13.49 · Buy It Now

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High decibel alarm system for - alarm,

High decibel alarm system for - alarm,

£6.59 · Buy It Now

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Outdoor alarm siren and - outdoor,

Outdoor alarm siren and - outdoor,

£34.00 · Buy It Now

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Hella 3al 922 000 961 - 3al,

Hella 3al 922 000 961 - 3al,

£12.51 · Buy It Now

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12v battery backup siren for - backup,

12v battery backup siren for - backup,

£12.82 · Buy It Now

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12v 120db mini loud wired - dc,

12v 120db mini loud wired - dc,

£13.49 · Buy It Now

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Sir1tbb01 1pcs 12v - 1pcs, battery

Sir1tbb01 1pcs 12v - 1pcs, battery

£13.49 · Buy It Now

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12v 120db red wired alarm - 12v,

12v 120db red wired alarm - 12v,

£8.51 · Buy It Now

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Dc12v 120db loud wired horn - dc12v,

Dc12v 120db loud wired horn - dc12v,

£5.87 · Buy It Now

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12v 120db battery - 120db, siren

12v 120db battery - 120db, siren

£13.49 · Buy It Now

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12v motorcycle anti theft - motorcycle, horn

12v motorcycle anti theft - motorcycle, horn

£19.99 · Buy It Now

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📊96 listings · from £3.33 · avg £12.65

Browse 96 12v alarm siren listings currently in our index. Prices range from £3.33 to £83.9, with an average of £12.65. 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 £3.33, while premium listings can reach £83.9 — giving you a wide budget spread to work with. The average price of £12.65 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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