Specifications:
Input: 1/4 inch mono jack (Impedance: 1M ohm)
Output: 1/4" Mono Jack (Impedance: 1M Ohm)
Power Supply: DC 9V (plug polarity is positive in the barrel and negative in the center)
Working current: 3MA
Dimensions: 3.7 x 1.8 x 1.9 inches (95 x 45 x 48 mm)
Weight: 9.7 oz (273 g) (with box)