Much like AD-3, the Boss AD-8 uses the same COSM technology but adding a six-end acoustic sound from the Piezo pickup of an ordinary guitar, and also simulates the warm tone created by miking the body and kneck - excellent!
 * Floor-based acoustic guitar processor featuring COSM Acoustic Guitar Modeling technology
 * Turns ordinary piezo-equipped acoustic guitars into six of the world's finest acoustics
 * Body and String Enhance controls simulate warm, miked acoustic sounds
 * High-quality reverb tailored for acoustic guitar, 4-band EQ and Anti-Feedback
 * Onboard chromatic tuner with Mute function and quick pedal-based operation
 * 4 Preset memory locations for switching acoustic sounds instantly
 * Balanced XLR outputs allow direct connection to PA systems