Westone's TRU product line brings together high-performance filter technology with the latest in universal and custom earpieces to provide comfortable, discreet hearing protection options that are ideal for a variety of loud settings. TRU hearing protection has been specifically designed to reduce noise exposure while still maintaining sound quality across the sound frequency spectrum. TRU Customs allow you to protect your hearing by selecting your level of attenuation to match your own unique listening preferences. Each custom earpiece is precisely-fitted to your ear canal utilizing 3D digital scanning technology and manufacturing to provide maximum comfort, a discreet size and incredible clarity. TRU Custom orders should be placed through a local hearing healthcare professional who will take your required ear impressions to complete the order.