MIKE use IR technology to catch the sound features as the real ribbon microphone. MIKE the gutars from jumbos to concerts to 12 string and nylon classic The Xvive MIKE pedal is an indispensable tool in your audio toolkit. Take virtually any acoustic signal and improve the sound instantly Easy use with just a selection of 9 unusual EQ curves specially engineered to help acoustic guitars sound like they are being miked by a high quality ribbon microphone and preamp. The 10th position is buffer. Not only does MIKE improve direct outs of acoustics, but it makes electric and bass guitars much more pleasant as well Mono unbalanced 1/4" Input and Output Require 9V DC Power Adaptor.