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£1099
Sennheiser’s IE 900 in-ears are a purist design, engineered with the singular purpose of offering the best sound quality possible at this level. Their technical highlights include a single 7mm drive unit per earbud, an intricately machined aluminium casing, and the use of some clever resonance chambers inside that casing to improve the driver’s frequency response.
Premium wired in-ears are rare these days. In-ears have always been about portability and ease of use, so the rise of wireless connectivity makes perfect
