The Sennheiser has everything on board that music fans need. The noise-cancelling is almost as effective as that of the best competitors, and the battery life of over 31 hours is more than adequate. In terms of sound, the HD450BT is not quite up there with the best - but in its price class, it has no fear of competition with its warm and pleasant sound tuning...

If you're looking for affordable over-ear headphones with active noise cancellation, there's little to fault here.

The HD450BT has everything on board that music fans need. The noise-cancelling is almost as effective as that of the best competitors, and the battery life of over 31 hours is more than adequate. In terms of sound, the headphones are not quite up there with the best - but for the price, they still deliver a decent result.

Wireless headphones in the test Better without cables, say many headphone buyers. Bluetooth headphones do not require a connection cable - there are no more trip hazards. There are models in the classic design of a headphone with a headband and, as an alternative, in-ear headphones - tiny in size, but not in sound...