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. Includes padded gigbag w/shoulderstrap. The new 4th generation editions of all models now feature a Pre FX / Post FX swtich for the DI Out signal, allowing user to choose if their Direct Out signal incorporates the amp's onboard digital effects An 3.5mm Aux input with Level control has also been added. These ultra-portable amps still offer the same outstanding reproduction of acoustic instruments and vocals that have made them an industry standard and a favorite of performing guitarists and singer-songwriters everywhere.