The IE-6 is designed with dual performance drivers and built-in crossover. It loyally reproduces precision highs, natural mids, and full bass. The excellent IE-6 is specially designed for JTS wireless in ear monitoring system. Yet the dynamic design makes itself also perfectly compatible with systems from other major brands. High-dynamics, High-definition, Low-noise, distinct sound stage, transparent and airy highs, clear low-frequency, excellent isolation, as well as endurance for high sound pressure level, extreme durability and accurate audio reproduction