Conclusion: The new SHURE E4 earphones fill the performance/price gap between the E5 and E3 earphones already offered in the E Series lineup by providing excellent audio performance along with the ability to seal out unwanted background noise.
Excerpt: The Shure E4c headset is an upgraded version of the popular E3c, with better bass response and more sensitivity. It also comes with a fit kit that includes a variety of eartips, plus a pair of replaceable eartip tubes.
Conclusion: That said, problems with the Shures are firmly restricted to the nitpicking column. The bottom line is that the ultracompact Shure E4c earbuds sound flat-out amazing. They're the best in-ear headphones we've heard to date.
Pros: Some people find in-ear headphones uncomfortable
Cons: Excellent sound quality, Earpluglike design blocks environmental noise, Thick, durable cable design, Includes full assortment of accessories