The Io Phono Stage's high gain/low noise, all-tube audio circuitry is capable of successfully amplifying today's ultra-low output moving coil cartridges. Flexible gain and loading adjustments make the Io perfect for all cartridges. Io Phono Stage with Aesthetix volume controls is the ultimate dedicated phono pre-amp for the vinyl connoisseur. The Phono Stage contains three main amplification sections and an output buffer stage.