Full analog circuit, warm, clear, smooth analog delay sound Delay Time: 20ms-300ms Full metal shell Very small and exquisite True bypass Specifications Input: 1/4? monaural jack (impedance: 470k Ohms) Output: 1/4? monaural jack (impedance: 470 Ohms) Power Requirements: AC adapter 9V DC (center minus plug) Current Draw: 26 mA Dimensions: 93.5mm (D) ? 42mm (W) ? 52mm (H) Weight: 160g