That's what I was looking for. Apparently, many headphone cables didn't work on the Sony MX, either because the cable wasn't supported or didn't fit the jack. I found a review of this cable stating it was compatible with these headphones and bought it just to be sure. And yes, they work on the WH-1000MX4 :). I am satisfied with these products. They work great and the quality is perfect for the amount you pay for them.
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