Musical Fidelity M3si Vollverstärker mit Phono + USBM3si Overview The M3si integrated amplifier produces high quality sound, has an extensive range of useful inputs and offers high reliability, compact size and a fair price. With its strong 85 watts per channel, the M3si will drive a huge variety of appropriate loudspeakers. It has inputs for phono (MM), 4 line inputs and USB B up to 24bit 96 kHz. The M3sis sound is effortless, clear and sweet. It projects wide and deep images and has plenty of power