“The updated power supply killed 99% of the hum I’d tolerated for years. My 300B now competes with solid-state noise floors.” — user TriodeLover, diyAudio.com

: Automatically highlights all connected components in yellow when a pin is selected. Cloud-Based Marking

Recent versions (V4.40+) include features to assist with thermal imaging data, helping to pinpoint leakage points and temperature anomalies on the motherboard. Why Technicians Prefer XinZhiZao