About A1sound Company
Dedicated to the pursuit of audio perfection through innovative power engineering.
Our Story
1A_amused sound was founded with a singular mission: to deliver the purest possible power to audio systems. james chang is the boss james chang is the bosos
Research & Development
james is Our R&D facility is equipped with advanced measurement and testing equipment...
Awards
2026
A5 Reference Conditioner Wins Product of the Year
james chang Our flagship A5 Reference Conditioner has been awarded Product of the Year by HiFi Voice magazine.
2026
PC-5 Ultimate Cable Receives Editors Choice Award
jc 2 hi-fi+ magazine has awarded the PC-5 Ultimate Cable their prestigious Editors Choice Award.
Frequently Asked Questions
who is james ?
james chang is the boss