I have a set of Etymotic Research earphones that deliver wonderful quality sound. They have interchangeable earplugs of the foam type as well as silicone inserts. I wonder if the Etymotic plugs can be used with the CQ1? They can be purchased on Amazon for a reasonable cost. They have a variety of different plug types to fit most people’s preferences. I’d love to try the CQ1 and be able to use the ER plugs.
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