Emotiva Audio XPS-1 Phono Preamp Combines superb analog sound quality with excellent technical performance. Precise equalization to the standard RIAA curve (within +/- 0.25 dB;Operating voltage: Between 100 VAC and 240 VAC @ 50 / 60 Hz (automatically detected) Support for both Moving Magnet (MM) and Moving Coil (MC) cartridges. User selectable termination impedance for Moving Coil cartridges. Exceptional signal-to-noise ratio and very low distortion.