Amazon has the Klipsch Image S3 Noise-Isolating Earphones for only $29.99 shipped, originally priced at $49.99. Aside from “unequaled comfort, these exclusive ear tips create a perfect acoustic seal to produce Klipsch’s renowned, high-performance sound.” Product page.
The passive noise cancellation provided by the ear tip blocks out more noise than powered competitive noise cancelling headphones.
[via Amazon]