Etymotic ER4XR and ER4SR reviewed on Head-Fi.org

Head-Fi.org user Mark2410 has reviewed the new Etymotic ER4XR and ER4SR, rating them both at 5 stars out of 5. Stating that “If the world could only have 1 IEM in existence, this should be the one”, Mark2410 praised the incredible level of isolation and reference-quality sound that have made the Etymotic ER4 the go-to in-ear headphone for 20 years.

See the full review here: http://www.head-fi.org/t/825419/etymotic-er-4xr-extended-response-earphone-review-by-mark2410

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