This Korg ToneWorks AX3A Acoustic Modeling multi-effects pedal is in good condition with heavy cosmetic wear, including noticeable scratches on the face and back plus slight age-related discoloration. Designed specifically for acoustic guitar, it combines mic/body modeling with a full suite of effects, onboard tuner, and user/preset program storage for quick recall. - Effects: Pre-effect types: 10; Mic & Body Model types: 10; Tone: 1; Notch Filter: 1; Modulation types: 10; Delay types: 5; Reverb types: 5; Noise Reduction: 1 - Programs: 80 total (40 user / 40 preset) - Audio I/O: Mono input; Stereo output - A/D conversion: 24-bit - D/A conversion: 24-bit - Sampling frequency: 31.25 kHz - Tuner range: C1–E6; Calibration: A=438–445 Hz - Power: 4x AA alkaline batteries (up to ~8 hours) or DC 9V adapter (sold separately) - Dimensions (W x D x H): 178 x 142 x 43 mm (7.0 x 5.6 x 1.7 in) - Weight: 0.8 lb - Cosmetic condition: Good (heavy scratches and visible wear; slight discoloration from aging)