M-Audio today unveiled two new portable digital pianos, as well as a rack-mountable 8 x 8 audio MIDI interface. The Fast Track Ultra 8R features an MX Core DSP mixer and eight Octane-enabled preamps, and delivers connectivity through a single USB 2.0 connector. M-Audio advertises that the Ultra 8R low-noise, high-gain preamplification, and near-zer
