The preferred choice of touring artists and recording professionals worldwide, the SansAmp PSA-1 provides the widest range of amplifier, harmonic generation, cabinet simulation, and equalization tone shaping options available. You've heard SansAmp on thousands of recordings, on everything from drums and bass to vocals and harmonica. Add warmth and punch to existing tracks, or record bass and guitar direct into Pro Tools the right way with the SansAmp XDI direct recording interface (available separately). Capture guitar free of muddy sound degradation or excess noise — then go digital and dial up any tone imaginable.