pretty good, I love the bass. I've had mine for less than 6 months. The great sound quality gives you an immersive feeling when you are watching movies or listening to music with people you love. Can't complain.
The directions that come with these are incorrect concerning how to clear the pairing history. All you have to do is hold the power button down for 7 secs. just like the first time you pair. Each pairing cancels the one before it.