12V 400W 9 Sound 150dB Car Police Horn Speaker [EU] (Current: 20A, Voltage: 12V, Color: Black, 9 series siren, Power: 400W, Type: Alarm horn, Applications: Universal for cars, Impedance: 8Ω, , Sound level: 150db, Alarm diameter: 140mm).
Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
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Link: Banggood product page
1. ($50.99): BGLMQ15
2. ($52.79): BGSCM11
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): BGCarEle4, BGCarEle5, BG845979, BGCAR639
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for 12V 400W 9 Sound 150dB Car Police Horn Speaker [EU]. The lowest price was: $47.59.
Price records source(s): Banggood
Click on image to enlarge. ![Price history for 12V 400W 9 Sound 150dB Car Police Horn Speaker [EU]](https://couponsfromchina.com/pricehistory/History38511.png "12V 400W 9 Sound 150dB Car Police Horn Speaker [EU] price history")
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).