In the case of iP-HS2, an in-canal earphone that rivals Vibe Duo on looks and features, the $30 price difference is a fairly significant positive, and raises a different question from iP-HS1: is the similar in-canal Vibe Duo design worth such a premium? Again, answers will vary from user to user, but some people will say ?yes? without even thinking twice. Just like iP-HS1, we followed the manufacturer?s recommended burn-in time with?