The source is the Samsung Note 4. The firmware was updated, but that didn't help these cans much. The bass is bloated, and they have an artificial, forward sound that I don’t like at all. No sense of airiness and the instruments are indistinct in space. I suspect long sessions would give me listening fatigue and even a headache, though I dare not try finding out. The worst sound I've tried so far. (Pendulumic Stance S1+, Jabra Revo Wireless, MEElectronics Air-Fi Matrix2 AF62). The Jabras were very lean sounding and quite boring; the Stance sounded...

My Amazon Review:   I've owned many pieces of high end home audio over the years. Brands like Dali, Audio Research, Krell, Melos, and others. I expect a lot from my gear. In this case, one of the requirements was Bluetooth audio so that I could go wireless. With the advent of Aptx, Bluetooth has come a very long way, to the point where the benefits of wireless can now be realized even for the discerning listener. I've owned a few wireless headphones, including the Sennheiser MM 550, and the Jabra Revo Wireless. The Pendulumic is hands down the...