So, the other day, I go to put on my Ultrasone Pro 900s which were plugged into my Q1, which in turn was connected to a computer via USB cable. When I picked up the Ultrasones, I felt a small ESD shock when I grabbed the earphones. I didn't think much of it, as I've experienced static shocks...

In case anyone is actively monitoring this discussion, these headphones are on sale for $99 at Focus camera. They are refurbs, but the price is pretty good:  ...

Just daisy chained a cheap OTG to USB cable and the micro USB to USB cable that came with a Fiio Q1. Worked with Neutron player. The permission window came up as soon as I plugged it in. I didn't realize the volume was up to 7, and nearly shredded both my eardrums and the Sennheiser drivers when...