You get what you pay for; not with the Questyle M15, you get much more! If you don’t want to read further, let me make it short, you get top class desktop grade audio performance in DAC that fits on the palm of your hand. The M15 uses Questyle’s patented current amplification technology featuring Class AB amplification. I am not going to pretend to understand all the intricacies of current amplification technology, but I can say that what Questyle did, it works and it works damn good! There is only one thing about the M15 that I don’t like and I am...