Westone EAS10 Single-Driver Balanced In-Ear Earphones w/ Braided CableFor starters, EAS10's deliver all the benefits that make Westone custom molded in ear monitors totally worth the investment. That includes phenomenal comfort that makes your EAS10s virtually disappear in your ears, plus an acoustic seal that provides up to 27dB of attenuation, which allows both balanced armature drivers to work efficiently to deliver full range sound. On top of that, you can swap out the included solid plug with an optional filter