Specifications: Nominal Input Level -2dBu Input Impedance 47ohms Nominal Output Level -2dBu Output Impedance k ohms Equivalent Input Noise Level -12dBu (IHF-A, Typ.) Connectors INPUT Jack, OUTPUT Jack, AC Adaptor Jack (V DC) Power Supply V DC: Dry Battery V type, AC Adaptor Current Draw mA (V DC) Accessories Dry Battery V type (6F22/V) Options AC Adaptor (PSA-Series) Size and Weight ( incl. battery ) Wide 7mm 2-7/inches Depe 12mm 5-1/inches Height 5mm 2-3/inches Weight 0.kg lbs. 1oz. * dBu = 0.77Vrms * The specifications are subject to change wieout notice.