Sony - MDR-IF4000

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Contents

MDR IF4000 SERVICE MANUAL Ver 1 1 2005 02 The MDR IF4000 is the cordless stereo headphones that comprises the MDR DS4000 US Model Canadian Model AEP Model E Model MDR DS4000 consists of the following models respectively Cordless stereo headphone MDR IF4000 Digital surround processor DP IF4000 SPECIFICATIONS General Modulation System DQPSK IM Secondary carrier wave frequency 3 75 MHz Playback frequency range 10 22 000 Hz Power requirements Rechargeable nickel metal hydride batteries supplied or commercially available size AAA alkaline batteries Mass Approx 300 g 11 oz including the supplied rechargeable nickel metal hydride batteries Supplied accessories Rechargeable nickel metal hydride batteries BP HP ...