Radial Engineering Backtrack Stereo Audio Switcher A professional stereo audio switcher designed for bands and performers running backing tracks live. The Backtrack provides redundant playback capability and flexible input switching to ensure uninterrupted performance on stage. Key Features Dual Stereo Input Paths: 2 × stereo 1/4" inputs 2 × stereo 3.5 mm inputs Redundant Playback Switching: Instantly switch between two audio sources or mute both to prevent track dropouts Laptop & Media Device Ready: Supports laptops, audio interfaces, MP3 players, and mobile devices Transformer-Isolated XLR Outputs: Dual balanced outputs for clean, noise-free connection to PA systems Ground Lift Switch: Eliminates hum and buzz caused by ground loops Headphone Monitoring Output: Independent level control for monitoring either input Monitor Output: 1/4" output for powered speakers or stage monitors Remote Footswitch Support: Compatible with Radial JR-2 footswitch (sold separately) Front-Panel Controls: Source select and mute functions for quick access What’s Included Radial Engineering Backtrack Stereo Audio Switcher 15 VDC Power Adapter Limited 3-Year Manufacturer Warranty The Backtrack is an essential live-performance safety tool, allowing bands to run primary and backup tracks simultaneously and switch instantly if a source fails. With transformer isolation, flexible monitoring, and Radial’s road-ready construction, it delivers confidence and reliability on stage.