Channel: 2.1, Bluetooth Version: 5.0(no shielding, 4-8Ω, Color: Black, 10m), Material: electronic components, Input sensitivity: 500mV, Audio Input: AUX+Bluetooth, Power: DC12-24V/5A, Model: ZK-TB21, Chip: TPA3116D2(with AM anti-interference function), Adapter speaker: 20-100W.
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.
Updated:
Banggood
Warehouse in China.
Link: ZK-TB21 TPA3116D2 Bluetooth 5.0 Subwoofer Amplifier Board
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!
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
Do you need price history chart (for all/most countries) for ZK-TB21 TPA3116D2 Bluetooth 5.0 Subwoofer Amplifier Board? There we go. The lowest price was: $15.99.
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)).