SONY MDR-IF240RK WIRELESS STEREO HEADPHONE SYSTEM

Sony MDR-IF240RK Wireless Stereo Headphone System
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.

Specifications

• 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
  
• 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
  

Features

• 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 hours of battery life
  with optional AA alkaline battery; up to 30 hours 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

Sony MDR-IF240RK Wireless Stereo Headphone System
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. 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. Go wireless with your music.