Acoustic effector with versatile tone adjustment. - Model Name: AC-2 - Output Type: Reverb - Equalizer: Bass, Middle, Treble adjustment - Input Type: Piezo, Magnetic - Accessories: AC adapter - Features: Anti-feedback function Thank you for viewing. It will be shipped in its original box, wrapped in bubble wrap. Sound output has been confirmed. Notes: Please understand that this is a used item and is being sold as-is before bidding. Please refrain from bidding if you are looking for a perfect condition item or are overly sensitive. We are not responsible for damage due to shipping. Maintenance may be required. We may cancel bids from those with negative feedback or if we determine that the transaction cannot be carried out smoothly. No claims, no returns.