I need to replace speakers for my charge3, i've searched on the internet without finding any results.

It seems nobody sells a single spare part like this unless you find a used charge3 to dismantle.

I only know they are 10w 2inch speakers but don't know the impedance (4 ohm? 8 ohm?).

I think I'll search for speakers with same technical data on ebay or similar, but first i need to know the impedance.

In youtube I'seen a video of a guy (probably russian) who is replacing the speakers using two which seems tweeters (https://youtu.be/E2nqUFaVSio ). Do anyone thinks is a good replacement?