Today, I’m going to take a look at the most hyped wireless headphones on the market, released just a couple of weeks ago: the HDB 630 by Sennheiser, which sells for $499 abroad and for €499 locally. It so happens that I have on hand their predecessors, the Momentum 4 and the latest releases of Sony and Bowers & Wilkins, and I believe a 4-way comparison is something that many of you will appreciate, so let’s check these out.
