Sony MDR-IF240RK Wireless Stereo Headphone System

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[edit] Product Name

Sony MDR-IF240RK Wireless Stereo Headphone System


[edit] Manufacturer Part Number

MDR-IF240RK


[edit] Product Date

circa June 2003


[edit] Product Image

Image:Sony_MDR-IF240RK.jpg


[edit] Manufacturer Provided Specifications and Description

  • OVERVIEW

Get ready to rock with the MDR-IF240RK wireless stereo headphone system. This complete kit, which includes a transmitter and headphones, offers a lightweight, open-air design.


  • FEATURES

Go wireless with your music. The MDR-IF240RK wireless stereo headphone system features 30mm drive units for deep bass, up to 60 hours of battery life with an optional alkaline battery or up to 35 hours of battery life with the supplied NiHM rechargeable battery, and a transmission range up to 24 feet. Also utilize the transmission coverage angle-up to 90°. Permitting an easy connection to your home audio system, TV or VCR, these headphones provide a personal entertainment experience you can move to.

  • 30 mm diameter drive units: are larger than many portable headphones for deeper bass, lower distortion and wider dynamic range; frequency response extends down to a low 18 Hz
  • Rechargeable battery: (supplied) saves repeated trips to the store; automatically recharges when you place the headphones on the supplied transmitter
  • Up to 100 hours1 of battery life: with optional AA alkaline battery; up to 30 hours1 life with supplied rechargeable NiCad battery
  • Complete kit: including high-powered transmitter/recharger, headphones, rechargeable battery, connecting cable, UniMatch® plug adapter and AC power adapter
  • 90° transmission angle: (maximum) for uninterrupted listening as you move around the room
  • PET diaphragms: ensure high rigidity for minimum distortion; low mass for extended high-frequency response out to 22,000 Hz
  • Ferrite magnets: combine high energy and small size, for ample sound output
  • Wide headband: with a separate self-adjusting band conforms precisely to the curve of your head; stays comfortable, even after listening for hours on end
  • Mute function: to avoid noise through the headphones; cuts out the sound when no audio signal is available
  • Automatic headphones power switch: conserves battery life; the headphones turn on when you place them on your head
  • Single volume control: in one earpiece conveniently adjusts the volume for both channels
  • Supplied connecting cord: with Sony UniMatch® plug that goes to the headphone output of your high fidelity system, TV set or VCR; UniMatch system accommodates either the phone jack on high fidelity components or the minijack found on video components
  • Cordless design: lets you move around the room and still enjoy music or TV sound tracks; lets you turn the volume up late at night -- without disturbing anyone else
  • Easy connection: to TV, VCR and audio systems, through the supplied connecting cord and plug adapter
  • Light weight: so you can wear them comfortably for hours on end
  • Open-air design: lets you continue to hear ambient sound
  • High-power infrared transmitter: incorporates multiple Light-Emitting Diodes (LEDs) for extended coverage range
  • 24 foot transmission range: for listening enjoyment throughout the room; lets you sit back from the TV set and still enjoy TV sound


  • SPECIFICATIONS

Product Profile


Hardware

  • Cord : None (Infrared)
  • Headphone Type : Open-air, Dynamic


Power

  • Power Requirements : AC 120V, 60Hz when used with supplied AC power adaptor, which connects to the DC 9V jack
  • Recharging Time : 24 hours (Approx.)


General

  • Design : Over-the-head, Home-music/movie/games
  • Diaphragm : PET
  • Headband : Wide, Self-adjusting
  • Magnet : Ferrite
  • Plug : UniMatch® Adapter
  • Power On/Off : Yes (Automatic On/Off switch)
  • Type of Use : Home


Inputs and Outputs

  • Phono Input(s) : 1 (Stereo L/R phono plugs)


Audio

  • Driver Unit : 30mm
  • Effective Range : 24 ft (7m); 10 ft (3m) at ±45°
  • Frequency Response : 18Hz - 22,000Hz
  • Infrared Carrier Frequencies : Right 2.8MHz, Left 2.3MHz; (Frequency modulation)
  • Volume Control : Rotary control


Price: $59.99


  • ACCESSORIES SUPPLIED
  • Rechargeable NiCad Battery (NC-AA-HJ)
  • AC adapter
  • Connecting cord
  • UniMatch plug adapter


©2004 Sony Electronics Inc.

Sony is a trademark of Sony. All other trademarks are property of their respective owners.

Features and specifications are subject to change without notice. Non-metric weights and measures are approximate.


  • COMPATIBILITY

Sony products offer complete compatibility to enhance each other's performance and capabilities. Together with the noted accessories, these items are the ideal enhancements for the product above.

  • 20" Flat Panel LCD PC/TV Display: MFM-HT205
  • Mini Hi-Fi Component System LBT-ZX9: LBT-ZX9
  • Mini Hi-Fi Component System: LBT-ZX6
  • Mini Hi-Fi Component System: LBT-ZX80D
  • High Power Mini Hi-Fi System: MHC-LX10000


  • FOOTNOTES

1Actual battery life will vary based on product settings, usage patterns, battery and environmental conditions.


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