Features : Legendary rich, creamy, violin-like sound, very nice fuzz tone. Full metal shell. Very small and exquisite. True bypass. Specifications : Input: 1/4" monaural jack (impedance: 470k Ohms). Output: 1/4" monaural jack (impedance: 1k Ohms). Power Requirements: AC adapter 9V DC (center minus plug). Current Draw: 3 mA. Dimensions: 93.5mm (D) × 42mm (W) × 52mm (H). Weight: 160g.