• Welcome to ASR. There are many reviews of audio hardware and expert members to help answer your questions. Click here to have your audio equipment measured for free!

Wuzhi ht21 3g

Volap

New Member
Joined
Aug 14, 2025
Messages
1
Likes
0
This is Wuzhi HT21 3G circuit, I want to ask what is the marked part used for, please help me answer, thank you.
IMG_0754.jpeg
 
Back
Top Bottom