The AER Compact 60 rev.4. Small size but powerful twin-channel acoustic guitar amplifier designed to reproduce the sound quality of your instrument in a natural manner. The electronics are carefully designed to deal with piezoceramic pick-up's, microphones and any sort of line signal and with the dynamic controlled 60 watts power amplifier provide a brillant clear sustaining sound performance throughout all the dynamic range. Used by Robin Nolan, Angelo Debarre, Bireli Lagrene, Romane, Neil Anderson, Dorado Schmitt, The Rosenberg Trio, among many others.