The Sony WH-1000XM4 over-ear headphones are one of our favourite sets ever and, just because they’ve been replaced by the XM5, it doesn’t make them any less great. Which is why we’re delighted Amazon has discounted the Sony WH-1000XM4 headphones for £199.99, which is way down on the original £350 price. Sony WH-1000MX4 headphones now under £200
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