D6 Soundcard Full set of Audio Cards Professional KARAOKE Microphone USB Sound Card Set – Black.
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Updated: 02-08-2025
Banggood
Warehouse in China.
Link: D6 Soundcard Full Set Microphone
$27.36 with coupon: BGAUDIO
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
Here is price history (for all/most countries) for D6 Soundcard Full Set Microphone. The lowest price was: $27.36.
Price records source(s): Banggood
Click on image to enlarge. 
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)).