Description
The Boss AD-8 rescues thin, piezo-driven acoustic tone by running it through COSM Acoustic Modeling, giving you the character of six premium acoustic guitars from a single pedal. It’s a floor unit built for players who need studio-grade sound without a mic on stage.
- COSM Acoustic Modeling reshapes your piezo signal into six high-end acoustic guitar voices
- Body and String Enhance controls recreate the depth of a properly miked acoustic
- Acoustic-tuned reverb ranges from subtle ambience to full room/hall sound
- 4-band EQ for shaping tone to your venue or genre
- Auto Anti-Feedback keeps things clean at higher stage volumes
- Onboard chromatic tuner with pedal-activated mute for silent tuning
- 4 memory presets for instant switching between acoustic sounds
- Balanced XLR outputs (with ground lift) for direct PA or recording connection, plus unbalanced stereo outs and a dedicated electric guitar amp output
Runs on six AA batteries or an optional PSA-series adapter, drawing 120 mA. Measures 250 x 180 x 60 mm and weighs 1.9 kg. This listing is an open box unit in mint condition – fully functional with all the original AD-8 features intact.
Whether you’re gigging, recording, or just want your acoustic-electric to sound like it cost twice as much, the AD-8 gives you Martin- and Gibson-style tone shaping in one compact box.







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