Does Sony Mh1 only work for sony devices? Because I just bought a pair and they won't play decent sound through anything I've got here.
Sony MH1 compatibility
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Do it suddenly sounds good when you press the center button of the remote? If so, you brought the wrong version of MH1 and need an smart adapter for it.
HTC One X is probably CITA compatible (almost all new smartphone beside Nokia are), so the correct version is MH1C. What you get there is MH1, which is OMTP compatible. It is meant for older, pre-2012 Sony (mainly Sony Ericsson) and Samsung, as well as Nokia.