The NAD M2 Direct Digital Amplifier represents a new level of amplifier performance by combining the ultra low distortion and noise levels of the finest linear Class A and Class AB amplifiers with the efficiency and streamlined signal path of the digital amplifier, the M2 is the first implementation of a new amplifier technology called Direct Digital Feedback.
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Volfenhag amps are produced by VolfenhagAudio, a German concept, which produces automotive audio accesories like: car subwoofers, speakers, amplifiers, in dash and other accesories.

We continue this series of Volfenhag Audio reviews with next impressive products: the Volfenhag blue lightning series car amplifiers. continue reading…