Portable Stereo (400-1267) Specifications Faxback Doc. # 9610 Speaker System Speaker Size:.....................................................4 inches Normal Impedance:...................................................4 ohms Power Output:......................................(1.5 Watts per channel) Tone Booster:.........................................Bass, +6 dB at 8 KHz Treble, +6 dB at 8 KHz Input:...........................................1/8-inch stereo mini plug Power Required:.........................DC 6V (4 x size C batteries) or by AC adapter DC 9V/500mA Radio Shack Cat. No. 273-1651 (not included) Dimensions (pair):........................132mm (H) x 250mm (W) x 65mm (D) (ALL-02/07/95)