Stereophonic Amplifier with optional BluOS2-D MDC. HybridDigital UcD 2 x 100W. The C 3050's industrial design was inspired by the NAD 3030 Stereophonic Amplifier, a 1970s classic. Vintage styling elements include dual illuminated VU meters, push-button controls for source selection, a walnut-finished vinyl-clad cabinet, and a dark grey front panel with the original New Acoustic Dimension logo in its 1970s cursive typeface.