12V 400W 9 Sound 150dB Car Police Horn Speaker [EU] (Banggood, Aliexpress: 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 (the best price with coupon)).
Just check coupons out (with price alert and history). What is 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 
.
Link: Banggood product page
1. ($50.99): BGLMQ15
2. ($52.79): BGSCM11
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
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
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Check out price history chart (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)).