I've been using these for over a month now and still love them. They are incredibly comfortable and the sound quality is amazing. The bass is a bit heavy, but I enjoy hearing the low notes with a little more punch.Originally, I took a gamble on these because several reviews commented on the mic quality being horrible and I was planning to use them for work meetings and music. As soon as they arrived I connected them and tried calling a co-worker. He agreed my voice sounded weird and muffled, so with some dismay, I switched to my webcam mic. But my music has never sounded better. Several reviewers said they hoped a future firmware update might fix the mic quality, so I took another gamble and waited. Sure enough, last week a firmware update was released. I quickly installed it and tried calling the same co-worker. He noted a significant improvement in the clarity of my voice. So, I no longer have any complaints with these.I had the q20 before these (which also sound good, but don't have the app EQ functionality), nor did they have the transparency mode of the q30. speaking of which, transparency mode actually improves my normal ability to hear quieter sounds in the house, or converse with someone, when needed. The ability to turn on an off transparency mode by holding my hand on the right earcup works about 95% of the time, but the button on the left earcup always works. I don't think the right earcup is in any way defective, but it has something to do with how much of my hand is touching it.Also, one added bonus I discovered is the ability to simultaneously pair the q30 to both my iPhone and Windows 10 PC. I don't remember that being advertised as a feature with these (but I may have missed it), either way, it works! I sometimes have to manually tell my laptop to re-connect to them at the beginning of the day, but it's a minor inconvenience. Bluetooth 5 works great...I can walk anywhere upstairs and down and can even go out to the mailbox with only minor distortion.