If you’re looking for the perfect all-around headphones, the PSB M4U 2 is a home run. They’re possibly the most versatile headphones we’ve ever tested. Whether you’re plugging them into an expensive headphone amplifier in your listening room or flying across the country, the M4U 2 can meet the challenge. They look good and sound even better. Even as high as PSB has set the bar with their speakers over the years, we believe these headphones are easily one of the best products they’ve ever released. https://www.audioadvice.com/psb-m4u-2-active-noise-cancelling-over-ear-headphones.html