Sunbuck TAV-6188E 2000W Bluetooth5.0 Audio Amplifier [EU] (Banggood, Aliexpress: Color: Black, Support: USB Disk/Max 64GB SD Card(Not included), Total harmonic distortion: ≤ 0.5%, Auxiliary level output: 1V, Type of power amplifier: AV power amplifier, Rated frequency: 20KH – 20KHz, Size: 320x 80x 240mm/12.6x 3.1x 9.4 inch, Model: TAV-6188E, Microphone input sensitivity: 9 mv (± 2mv), Rated power: 1200W, Signal input sensitivity: 200mv (± 30mv), , Recording level output: 1V, Vocal tract: 5 vocal tract, Signal to noise ratio: 90dB, Standard impedance: 4 to 16 ohm, Rated voltage: 115V/230V Conversion, Peak: 2000W (the best price with coupon)).
Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. There’s only 1 record in my database, so I have no idea if the price is OK. One coupon is available. Cool!
Link: Banggood product page
1. ($70.49): BG589b2e
you should apply the coupon 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/5cd
Old coupons (from the oldest to the newest): BG44de77, BGf0990d, 2022ACTIESNL, BG9c4e64, 8BGwbg2204, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, hoNEYbGdeAlS, BGJUNEGSG9, BG8ReviTrage, Cuponation9, COUPONSDE1wk, BGcoupon8off, BGGutscheine, BG00c906, BG8OFFCOUPON
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
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 $54.99).
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)).