Audio Technica ATH M50X Professional Studio Monitor Headphones Black Color__Butterfly Summer Song 870 QVO provides a sufficient Thanks to our PureVoice 870 QVO provides a sufficient amount of TBW for daily use HDR10 makes dark colors darker and the brightest colors even brighter As the most critically acclaimed model in the M Series line the ATH M50 is praised by top audio engineers and pro audio reviewers year after year Now the ATH M50x professional studio monitor headphones feature the same coveted sonic signature with the added feature of detachable cables From the large aperture drivers sound isolating earcups and robust construction the M50x provides an unmatched experience for the most critical audio professionals