Class-leading sound, but these headphones need some care

The Grado GS3000es need a listening room. That sounds like an odd thing to say about a pair of headphones, but get a pair and that’s exactly what you’ll wish for.

The GS3000es are an open-backed design. They not only leak out lots of sound but they let in everything too. Voices, traffic noises, kettles boiling, you name it – all will intrude on your listening experience to varying degrees.
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https://www.whathifi.com/reviews/grado-gs3000e