Name:Helen.
Tel:+86-755-82720811
E-mail:helen@chinalctech.com
Add:Room 301,Building No.3,Guole Technopark,Lirong Road,Dalang Street,Longhua District,Shenzhen 518110,China.
Online consulting1.Onboard LM386 chip
2.200 a gain of circuit design
3.On-board speaker wire holder
4.Board 10K adjustable resistance, the volume can be adjusted to enlarge
5.Onboard power indicator
6.The main chip's pin leads directly to the input audio signal
7.The operating voltage: 5 ~ 12V
8.Board size: 40.7 (mm) x13.7 (mm)