Review on MICA USB Powered Computer Speakers PB20I by James Townsend

This is the worst speaker I have ever heard. When you turn it on and go above 20% volume, you start getting terrible hissing and hissing. It only gets louder if you try to crank the volume up to around 50% or higher. I've tried multiple settings, multiple ports, and multiple devices with the same result. Now I know why they are 80% cheaper than comparable speakers. Avoid like the plague.