Frequency Response: 20Hz-20KHz(±1dB), Power supply: support 5.5x 2.1-2.5mm, Output Power: 50Wx 2 (24V/4Ω load), Power Amplifier Chip: TPA3116, Audio Outputs: Banana Speaker Jacks, Size: (W)110x (H)90x (D)50mm, Net Weight: 160g, bluetooth: 5.0 Version, Audio Inputs: 3.5mm AUX or bluetooth or USB or RCA or TF card or USB Stick, SNR: ≥98dB, Power Supply: DC9V-24V (the voltage can not over 24V), Speaker Impedance: 4Ω-16Ω, MAX 12M distance.
Check coupons or create price alert down below. 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 coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. There are no coupons for this product in Banggood. This is new product in my database, so I don’t know if this price is good.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGTPA3116, BGFCTPA, BG311611YB, BGCuponation10, BGHU0459, BGHONEY2110, BG63378d, 13f142, BG3cc06b, BGd886c5, BGAlerabat6, 2022ACTIESNL, Terence, BG5a19a4, Tabby20, 2203ActiesNL, BG1efeb0, MVC8SPRING, 8BGwbg2204, BG79be39, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, hoNEYbGdeAlS, BGJUNEGSG9, BGd0e600, Cuponation9, 9OFFSUMMER, BG8ReviTrage, BGcoupon8off, BGGutscheine, BG00c906, BG8OFFCOUPON, TTBLACK5, BG589b2e
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – TPA3116 Class D Bluetooth 5.0 HIFI 2x50W Audio Amplifier ($-3)
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 $18.99).
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)).