S surachit Member Joined 2012 2020-12-23 2:00 am #1 2020-12-23 2:00 am #1 this circuit use transister dri for mosfet the class d fre about70khz Attachments d sony5.png 72.9 KB · Views: 161 10307.jpg 150.1 KB · Views: 149 10309.jpg 187.6 KB · Views: 152