ユーザーズガイド SONY MDR-PQ1

[. . . ] 4-172-313-01(2) English Stereo Headphones Operating Instructions Features  Headband locking mechanism for one time size adjustment  40 mm driver units for deep bass sound  Detachable cord  Elastic loop to secure cord  Flat cord prevents cord tangling How to use These headphones are for use with a stereo mini jack. Wear the headphone marked “ right ” on your right ear, and the one marked “ left ” on your left ear. [. . . ]  When connecting the cord, make sure to fully insert the plug in the jack. If the plug is not fully inserted, no sound may result. tactile dot Specifications Type: Closed, dynamic (circum-aural) / Driver unit: 40 mm (CCAW Voice Coil), dome type / Power handling capacity: 1, 000 mW (IEC*) / Impedance: 70 Ω at 1 kHz / Sensitivity: 104 dB/mW / Frequency response: 8 – 25, 000 Hz / Connecting cord: 1. 2 m (3. 9 ft), gold plated L type stereo mini plug / Mass: Approx. 255 g (9 oz)/ Supplied accessories: Operating Instructions (1), Card warranty (1) * IEC = International Electrotechnical Commission  headband Design 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.  Do not put weight or pressure on the headphones as it may cause the headphones to deform during long storage. [. . . ] Optional replacement earpads can be ordered from your nearest Sony dealer. buckle  elastic loop plug notches  right left left  1 2 - - -  1 2   - -  / 104 dB/mW / / * IEC / 1, 000 mW IEC* / 8 25, 000 Hz / 255 g / 40 mm CCAW 70 1 kHz 1. 2 m 1 1 / L               http://www. sony. co. jp/avp-regi/    http://reg. msc. m. sony. jp/avp/       40 mm [. . . ]