Additional Noise

[vipervin 10+ year member]

Added an additional DEI Piezo and connected the car horn (with the exisiting DEI 6-tone siren) to my 791XV, but it still wasn't good enough from my car being broken into. ...granted my backup battery failed, I got a new one put in which should be working now.

Are there any insanely loud exterior sirens that I can add, which I ONLY want to go off if my backup battery goes off. This way... in case of false alarms, I don't want 5 sirens blaring and causing the neighbors to be pissed at me. If my main battery gets cut, then I want every siren to go off and to make a TON of noise (hopefully scaring away the theif).

I was thinking something like this:

http://www.hella.com/produktion/HellaPortal/WebSite/Internet_usa/ProductsServices/Electronics_Accessories/Horns/Triple_Tone_Air/Triple_Tone_Air.jsp

or

http://www.jcwhitney.com/autoparts/Product/Pr-p_Product.CATENTRY_ID:2001355/c-10101/Nty-1/p-2001355/Ntx-mode+matchallpartial/N-10101/tf-Browse/s-10101/Ntk-AllTextSearchGroup?Ntt=Sirens

Any suggestions?

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[saj21187 10+ year member]

the second one seems more practicle, buuut the first one looks VERY loud. Id go with the second one, and add 2 or 3 mini piezos to the interior. No thief will want to be in that environment

 

[Shyne151 10+ year member]

You guys all talk about how loud the mini-piezo's are... i just really don't think they are that loud. Maybe the ones I have at work were a bad shipment... but I wired up three in my car and they really don't hurt my ears per say.

 

[saj21187 10+ year member]

I have four in my car and it hurts my ears outside the car. Ive never actually sat in the car to take a listen though.

 

[vipervin 10+ year member]

Is there a way to make the additional sirens go off only when my backup battery is tripped?