Radial PZ-Pre™ 2-Channel Acoustic Instrument Preamp Mar 04, 2008 Compact footpedal preamp featuring great sounding Class-A piezo boosters for virtually any pickup system. Powerful parametric EQ, notch filter, 2 DI-outputs, amp-output, tuner-out, FX-loop, mute and more. Unbelievably clear true More...