"I have been compelled to write to you regarding the Yuin PK 1 which I purchased from you. These are the best I have heard, regardless of type! The fact that they are earbuds is amazing. "
- Scott H.
"I am constantly listening with your amp when I have spare time. The more I listen to it the more I enjoy the powerful full-bodied and dynamic superb sound that the amp delivers!"
- Alexey D.