What started as a set of drawings a decade ago has evolved into the company’s first product, the Demon Box. It turns the electro-magnetic fields (EMF) signatures of electronic devices into music.

The new HD 550 have all the makings of a top-notch Sennheiser headset. I've used the older HD 650 for years on my gaming rig and the HD 550 feel pretty familiar. That's a good thing; it has ...