PA & Live Sound Accessory from Radial Engineering
The Radial SW4 introduced at NAMM 2014 is a multi-channel switcher for balanced audio signals.
![[NAMM] Radial SW4 multi-channel switcher](https://img.audiofanzine.com/img/product/normal/2/0/202750.jpg?fm=pjpg&w=334&h=243&fit=contain&s=52d7fbc82b96beefea2a030cd30d8837)