The MDR-M1 are yet another pair of studio headphones from Sony. Some of you might remember the MDR-MV1 Studio headphones that we reviewed almost exactly a year ago. Well, this pair doesn't have anything to do with those. Instead, the M1 is the successor to the incredibly popular MDR-7506. The 7506, and its various variants, have been around for over three decades at this point, and have become a cult classic. You probably don't even need to know much about headphones to be able to recognize them, as you must have seen them at least once in your lifetime perched atop the head or...
Source: https://www.gsmarena.com/sony_mdrm1_studio_headphones_review-news-64813.php