Aliexpress
Click here… to search for ELEGIANT SR050 6W SoundBar [EU] on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. I’m not sure about the price, coz I have only 1 record(s) in my database.
Link: Banggood product page
Coupon (15.99 USD): BGcc0a7f
Coupon (21.16 USD): BGAudio9
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG9ba0e8, BGAUDIO, BG1b5830, BGAudio3
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Well, you won’t see price history chart, coz we have only 1 database record for this item (and price was 13.99 USD).
You can set price alert (for Banggood).