I have reviewed products from Beyerdynamic before, and they put out some very cool headphones, like the T 51 p I reviewed a while ago. According to the company, headphones like the T 51 p cannot be used to their full potential, due to digital-to-analog converter (DAC) and analog output levels of mobile audio devices rarely meet genuine hi-fi standards. This is where the A … [Read more...] about Beyerdynamic A 200 p Headphone Sound Supercharger