Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Xiaomi Sound Speaker Bluetooth 5.2 HARMAN | 94.28 USD | – |
 |
Xiaomi Redmi TV Soundbar | 133.08 USD | Paste $1/50 coupon “7FGSMNP7XVXC” in the cart |
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon right now! Check this out.
Link: Banggood product page
Coupon (151.72 USD): BGAlerabatKL
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): BGCNXMNS, BGXMSOUD, BG2cc847, BGa83d27, BGBuscape01, BG651551, BGBRPL2
(there’s a little possibility that old coupon will work)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi Sound Speaker Bluetooth 5.2 HARMAN.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).