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