Our Verdict 
Best noise-cancelling 'phones in Awards 2007, with a detailed, dynamic performance
For 
Sound far better than most rivals
snug, comfortable fit
effective
Against 
Not cheap
Reviewed on
These Sennheisers have been our Award-winning cans for two years on the bounce, but they've now been beaten by the Bose QuietComfort 15s, which sound better and are more adept at noise-cancelling.   But the PXC-450s remain a great buy. There's a volume control and a talk-through button on one ear, the latter silencing your tunes in one touch.   Sonically, they're dynamic and detailed – and smoother in the treble than the QC15s – but the Bose cans beat them for space and insight.   See all our headphone Best Buys

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