MS02 and Rain3 In-Ear Stereo Earphones – Review

My first impressions of the sound of the thinksound MS02 and Rain3 earphones (in-ear monitors, or IEM) are based on comparisons to other IEM (Sennheiser IE800, RHA T20, B&O H3), to a few reference headphones, and to notes I’ve accumulated from many prior reviews. I’ll describe how I relate to these IEM (i.e. my personal tastes and how I use these earphones) only after covering all of the objective issues.

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