MDR-IF140K

Lightweight, open air headphones for long hours of listening comfort

• Signal reception of up to 7m (direct distance with no blockage)

• Large 30mm driver units for high quality sound reproduction

• 2 audio inputs available for easy connection with TV, audio equipment and PC

Specifications

MDR-RF4000K

MDR-RF970RK

 

MDR-RF925RK

MDR-IF240RK

MDR-IF140K

Type

 

Closed, Dynamic

 

 

Open Air, Dynamic

Driver Unit

40mm diameter,

 

40mm

30mm diameter, dome type (CCAW adopted)

dome type

 

 

 

 

 

 

 

 

 

Approx. 14 hours

 

Approx. 18 hours

Approx. 35 hours

 

 

 

 

(Fully charged NiMH

 

 

 

(Fully charged supplied

(Fully charged supplied

 

Operating Time

 

rechargeable battery)

Approx. 60 hours

 

NiMH battery)

 

NiMH battery)

(Fully charged

Approx. 7 hours

 

Approx. 60 hours (Sony

(Sony Alkaline

Approx. 22 hours

 

Approx. 28 hours

NiMH Rechargeable Battery)

 

 

Alkaline battery LR03)

battery LR03)

 

(AAA type

 

(AAA type

 

 

 

Approx. 28 hours (Sony

 

 

 

Alkaline battery)

 

Alkaline battery)

 

 

 

 

Manganese battery R03)

 

 

 

 

 

 

 

Magnet

Ferrite

Neodymium

 

Ferrite

Neodymium (360kJ/m3)

Frequency Response (Hz)

12–20,000Hz

10-22,000Hz

 

20-20,000Hz

18-22,000Hz

Dimensions (W x H x D)

246 x 62 x 129mm

216 x 105 x 96mm

154 x 78 x 99mm

152 x 38 x 72mm

 

 

 

 

 

Headphones: Supplied

 

 

 

 

 

 

Size “AAA” NIMH

Headphones: 1 x “AAA”

 

 

 

 

 

rechargeable battery,

Alkaline battery,

Supplied Accessories

Headphones: Rechargeable NIMH battery pack.

1 x “AAA” Alkaline

1 x “AAA”

Transmitter: Supplied AC Power Adaptor

battery, Manganese

Manganese battery.

 

 

 

 

 

 

1 x Battery “AAA”.

Transmitter: Supplied

 

 

 

 

 

Transmitter: Supplied

AC Power Adaptor

 

 

 

 

 

AC Power Adaptor

 

 

 

 

 

 

Approx. 125g

Approx. 125g

Weight (Incl. Batteries)

 

Approx. 300g

 

 

(without cord

 

 

 

(without cord)

 

 

 

 

 

and batteries)

 

 

 

 

 

 

Street Style

MDR-G75SL

Street style headphones with retractable cord

• Street style with headband behind neck

• Retractable cord prevents cord from tangling and provides ease of portability

Pressure-relieving urethane cushion for comfortable fit

• Large 30mm driver units provide high quality, powerful sound reproduction

High-power neodymium magnet (300kJ/m3) for superior sound accuracy

• Foldable for greater portability

MDR-G55LP

Urban neckband headphones with changeable colour caps so you can mix and match to suit your preference of black, red, white.

• Folds away for easy storage and portability

• Compact folding design

• 300kJ/m3 high power neodymium magnet reproduces powerful bass sounds

Specifications

MDR-G75SL

MDR-G55LP

Type

 

Open Air, Dynamic

Driver Unit

 

30mm diameter, dome type (CCAW adopted)

Sensitivity

 

106 dB/mW

Impedence

 

24 ohms at 1 KHz

Magnet

 

Neodymium (300kJ/m3)

Frequency Response (Hz)

12-24,000Hz

16-20,000Hz

Power Handling Capacity

 

1000mW (IEC)

Cord

1m

1.2m

Supplied Accessories

 

L-shaped stereo mini-plug (gold)

Weight (Without cord)

Approx. 60g

Approx. 53g

P e r s o n a l A u d i o C o l l e c t i o n I O c t 2 0 1 0 - M a r 2 0 1 1

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Sony MDRPQ4/PNK manual Street Style, MDR-IF140K, MDR-G75SL, MDR-G55LP, Street style headphones with retractable cord