Eliminate unwanted hum and buzz from your stereo audio setup with the Radial HIGHLINE, a premium passive line isolator engineered for professional-grade performance. This high-quality unit features stereo ¼″ TRS input and output connections, providing pristine signal clarity through advanced transformer isolation technology that makes it perfect for connecting unbalanced sources to professional gear without introducing noise.
The Radial Highline Stereo proves particularly valuable for musicians who incorporate amp simulators into their pedalboard configurations. Built around premium Jensen 1:1 transformers, this isolator maintains full volume output from your amp sim whilst providing essential isolation that effectively breaks ground loops and offers protection against phantom power issues.
With balanced outputs capable of running over extended distances without signal degradation, the HIGHLINE ensures your audio maintains its integrity from source to destination. This robust construction and thoughtful design makes it an indispensable tool for any serious audio professional or musician seeking clean, reliable signal transmission in their stereo audio systems.
- Stereo passive line isolator
- No loss of signal strength or tone when connecting to a mixer
- Precision-wound Jensen transformer delivers exceptional clarity and warmth
- Passive, plug-and-play design requires no external power
- Radial’s renowned reliability and build quality
- Ground lift switch eliminates hum and buzz from ground loops
- XLR sum sums the left and right input channels to mono at both XLR outputs



