The 'phones promise to be "a totally overhauled and upgraded design [but] at the same recommended price", which naturally sounds good to us.
There's a new driver unit with improved efficiency to help prolong battery life, and predictable promises of improved dynamics, clarity, bass – the lot.
They're available in five colours – black, white, silver, red and pink – and you'll also be glad to hear Sennheiser supplies a carry case for your cans.
Joining the CX 300-II is the CXL 300-II, for around a fiver more, and adding an integrated neck lanyard capable of holding a phone or MP3 player.
We've got some samples winging their way to What Hi-Fi? Sound & Vision HQ now, so we'll let you know what we think of them very soon...