Are you frantically trying to decide which headphones you should buy before the Prime Day deals end? This should help… Sony’s outstanding WH-1000XM4 headphones are heavily discounted on Amazon in both the US and UK, making them one of the best deals we’ve seen this Prime Day.   Yes, the WH-1000XM4 were released in late 2020, and have since been dethroned as Sony’s flagship headphones by the WH-1000XM5s. But we still rate them as the best headphones you can buy
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