The comfortable and lightweight sony mdr v150 headset has a convenient collapsible frame to take up less space its 30mm diaphragm ensures powerful and natural sound while the ear pads eliminate outside noise so you can concentrate on your music dont choose between comfort and quality choose a sony mdr v150 headset reversible ear cups for easy single sided dj monitoring 30 mm driver unit for high quality sound stereo unimatch plug for use with various audio equipment capacity