BOSS DS-2 Operation confirmed with an adapter. Not tested with batteries. - Model: DS-2 - Type: Distortion - Color: Orange - Accessories: None - Input Terminals: 1/4 inch jack - Output Terminals: 1/4 inch jack - Controls: Tone, Level, Distortion - Check Lamp: Yes Thank you for viewing. This is the classic DS-2 used by John Frusciante! How about it for Red Hot Chili Peppers fans? Although operation has been confirmed, please understand that this is a used item and is non-refundable and non-returnable.