Today, Thomas reviews the PLUSSOUND SONORA, which is a new high-end tribrid dual dynamic, quad BA, and dual EST driver universal IEM. It is priced at $2999.99. Disclaimer: This sample was sent to me in exchange for my honest opinion. Headfonics is an independent website with no affiliate links. I thank the team at PLUSSOUND for giving me this opportunity. Click here to read more about PLUSSOUND products previously featured on Headfonics. This article follows our current scoring guidelines which you can read in more … Continue reading PLUSSOUND SONORA Review