Headphones for £100

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Hi,

I have £100 to spend on a pair of headphones. I would like them for studio mixing and recording, although I know that for mixing you need open and for recording you need closed. Does anyone know of a good pair that would be a good compromise??

I have considered the following:

AKG 271
Sennheiser 280 Pro

Any other suggestions welcome. I am pretty reluctant to spend more than £100.

Thanks,

E