Rich sound and excellent connectivity, no app required.
Of course, headphones are just one part of it, and speakers are another.
For wireless fans, support for aptX HD Bluetooth is also handy for streaming hi-res audio from compatible devices.
And now for the most important bit - sound.
In short, the M20 HDs sound fantastic.
They offer a rich, full-bodied sound with some truly marvellous clarity across all manner of music and sources.
This simply isn’t the case, though.
Their mid-range presentation is smooth and sumptuous and makes listening a real pleasure.
It’s a gorgeous sound with plenty of depth, that’s for sure.
It’s a real pleasure as to how smoothly the M20 HD represents even some rather complicated soundscapes.
To fit them in, you will need a particularly large bookshelf, or a deep desk.
They also offer a great range of inputs, wired and wireless.