The Radial Highline passive line isolator is a premium-grade solution designed to eliminate ground loops, hum, and interference in audio systems while maintaining pristine signal integrity. Built with high-performance Jensen transformers, the Highline ensures clean, noise-free audio transmission across long cable runs, making it an essential tool for studio, broadcast and live sound applications. With its passive design, it requires no external power, offering seamless integration with balanced and unbalanced signals in a variety of setups. Whether you're isolating line-level signals in a complex PA system or ensuring clean audio between different devices, the Highline provides reliable, transparent performance with absolute sonic clarity.