- Sound quality No comments
- Design and form factor No comments
- Comfort No comments
- Noise isolation No comments
- Durability No comments
However, I have been through 3 pairs in 2 years, as they have all stopped working in one ear. The problem seems to be that the mesh cover inside the earphones seems to be particularly prone to clogging up with wax. Other in-ear designs avoid this by having a long channel between the earphone and the ear canal, which can be cleaned. Once dirty, the CX 300s are impossible to clean and I am sure that this contributed to their short life.
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