Zoom 504 Acoustic Effect Pedal
Get great effects for your acoustic and take your electric acoustic with one box. Four acoustic preamps: an ambient “air” effect; four acoustic simulators (natural, jumbo, piezo, classical/nylon string). Reverbs, delays, modulation, limiter, edge and "body/top" effects. Built-in auto chromatic tuner; stereo line/ headphone out with master level and more.