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Yuin's PK1 earbuds were all the rage when they first hit the market quite a while ago. Since then Yuin has further upped the stakes by introducing the new and improved OK-series earphones. Today we take a look at the PK1s to see if the former earbud champion can still compete in today's market.Read more

If I were evaluating the Yuin OK1 on sound alone, the $230 price tag would not be difficult to justify – the incredibly airy and delicate sound of the Yuins is sure to find many fans among those who prefer a more realistic listening experience. As a total package, however, the OK1 lacks the advantages so many higher-end IEMs provide.Read more