Sonically the UE-10 Pro is the most accurate earpiece available. That combined with the low frequency headroom of the dual low frequency armatures makes this earpiece a must for any application, especially ear monitor systems that do not offer the high frequency boost options. While this earpiece is designed for professional applications, it is just as well suited for use with an iPod, DVD, MP3 players and other devices. The custom fit allows -26db of isolation or passive noise-cancellation■ and the utmost in comfort. Designed to withstand all the rigors of a live performance it performs flawlessly during a workout or other situations where sweat is a factor. Available in our proprietary full-soft material, any part of the earpiece that is touching the ear is made of a slightly softer more pliable material. This full-soft material is perfect for extended wear such as listening to music, movies, etc. and enhances the custom fit by allowing the maximum in comfort. Minimize