The sony mdr mv1s are open back monitor headphones that are designed for mixing and mastering spatial and stereo audio with confidence. They are able to reproduce 360 degree audio with high quality accurately placing sound objects enabling spatial sound creation in the headphones. And this is enhanced by the neutral colourless frequency response that ranges from 5hz all the way to 80 khz the mdr mv1s precisely tuned open back acoustic structure is to thank for their supreme sound reproduction. Plus combined with the brand new hd driver units youll get accurate clear and detailed sound all the time. For long sessions the mdr mv1s are designed for increased comfort with a soft and stable fitting as well as a super lightweight construction. And the detachable cable allows for the flexibility of use you need as a professional audio engineer.