NAD C268NAD C 268 Stereo Power Amplifier Amazing Flexibility As with every amp in the Classic Series, we here at NAD have carefully thought through all the possible use cases and strategically chosen the most essential of features. Thanks to selectable balanced inputs, the C 268 is a natural mate for high end preamps and processors. These inputs include a trim control useful for matching with other components, or for use in bi amping speakers. A line out