Sony MDR-MA900 Operating Instructions Manual

Also see for MDR-MA900: Limited warranty Specifications

Contents

specifications

EnglishStereo headphonesFeatures Newly-developed 70 mm driver units for high-resolution and wide dynamic rangesound Comfortable full open headphones with wide stereo soundstage Acoustic Bass Lens delivers rich bass sound for music, movie, gaming, etc., byconcentrating bass sound at the center of the driver units 360 kJ/m3 neodymium magnets for clear mid-range and rich bass sound Flexible-fit head cushion for wearing comfort Light-weight design for long-term wearing comfort Impedance compensators (resistor network inside driver units) eliminate variances insound quality between amplifiers of different output impedance Comfortable fitting with fabric earpads Single-sided cordHow to useHow to wear the headphones (see fig. )Extend the headband to adjust the length.Wear the headphone marked  on your right ear, and the one marked  on your leftear.There is a tactile dot on the unit marked  to distinguish the left side.How to use the unimatch plug adaptor (see fig. )Insert the stereo mini plug fully into the jack until you hear a click.SpecificationsType: Full open, dynamic / Driver unit: 70 mm, dome type (OFC Voice Coil) / Powerhandling capacity: 700 mW (IEC*) / Impedance: 12 Ω at 1 kHz / Sensitivity: 104 dB/mW/ Frequency response: 5 Hz – 40,000 Hz / Cord: 3 m (118 1/8 in), Single-sided OFC Litzcord / Plug: Gold-plated stereo mini plug / Mass: Approx. 195 g (6 7/8 oz) without cord /Supplied accessories: Gold-plated unimatch plug adaptor (stereo phone plug  stereomini jack) (1), Operating Instructions (1)* IEC = International Electrotechnical CommissionDesign and specifications are subject to change without notice.Precautions Listening with headphones at high volume may affect your hearing. For traffic safety,do not use while driving or cycling. Do not subject the headphones to excessive shock. Handle the driver units carefully. The earpads may deteriorate due to long-term storage or use. Do not leave the jack plug dirty otherwise the sound may be distorted. Clean the headphones with a soft dry cloth. Do not blow on the units when cleaning.Do not allow the plug to become dirty, otherwise the sound may deteriorate. Do not leave the stereo headphones in a location subject to direct sunlight, heat ormoisture. The sound will leak from these headphones due to their structure. Pay regard to thepeople around you, and refrain from using the headphones in public places, such as ontrains.Optional replacement earpads can be ordered from your nearest authorized Sonyretailer or www.sony.com.This mark is valid only in those European countries where it is legallyapplicable.MDR-MA900Stereo HeadphonesOperating InstructionsManual de instrucciones4-295-245-11(1)©2011 Sony CorporationPrinted in ThailandTactile dotStereo mini plugUnimatch plug adaptor(supplied)

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