Reliable consistent performance. The beyerdynamic dt 150 closed back headphones have a legendary status in the music industry. They can be found in many classic studios such as abbey road air sunset sounds and capitol. Used by the likes of stevie wonder and paul mccartney they offer an incredibly rugged and easy to service design with some of the best ambient noise attenuation on the market. This makes them ideal for when youre recording and performing. Ensure total comfort through long enduring sessions thanks to the thick padded ergonomic headband. Theyre also ideal for loud environments when you need to monitor in detail. With an impedance of 250 0hms whether youre in the studio or on stage the dt 150 is the ultimate choice for monitoring recording and performing. Note the 250 ohm impedance means these are better suited to hi fi studio and live applications and would strongly benefit from some form of external amplification..