CLEAR SWITCHING: Easily select between 4 XLR audio inputs with the push of a button. LED indicators show source selection. | PASSIVE DESIGN: Uses passive circuitry for true bypass signal routing with no loss in audio quality or added noise. | DUAL MONO OUTPUTS: Independent left and right channel output paths maintain full separation of stereo audio signals. | PRO AUDIO GRADE: Constructed with high quality components for consistent, noise-free performance in demanding studio and live sound applications. | COMPACT SIZE: Measures only