Sony MDR-IF540RK Wireless Stereo Headphone System

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1 Product Name
2 Manufacturer Part Number
3 Product Date
4 Product Image
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[edit] Product Name

Sony MDR-IF540RK Wireless Stereo Headphone System

[edit] Manufacturer Part Number

MDR-IF540RK

[edit] Product Date

circa October 2004

[edit] Product Image

[edit] Manufacturer Provided Specifications and Description

OVERVIEW

Free yourself from wires and connect with your music with the MDR-IF540K wireless headphone system.

FEATURES

Pump up the volume and groove about your listening room as you enjoy music or TV soundtracks with the MDR-IF540K wireless headphone system. This complete kit that includes a transmitter and headphones offers features like a lightweight, open-air design, 30 mm drive units for deep bass, automatic on/off, and a vibration function (with level volume) for an exciting game and movie experience. Other features include two audio inputs to accommodate audio and video sources, a rechargeable battery that sports up to 45 hours of battery life (optional alkaline battery), a transmission range up to 24 feet and a transmission coverage angle up to 90°. These headphones enable an easy connection to your home audio system, TV, PC or VCR.

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
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 power switch: for both the headphones and transmitter conserves battery life; when the transmitter senses an input signal, it turns on; 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

SPECIFICATIONS

Product Profile

Limited Warranty

Hardware

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

Power

Battery Life (Approx.) : Approx. 45 hours with alkaline batteries; Approx. 26 hours with NiMH batteries
Battery Type : NiMH Rechargeable Battery (supplied) or 1 AA battery (optional)
Power Requirements : AC 120V, 60Hz when used with supplied AC power adaptor, which connects to the DC 9V jack, DC 1.5V, 1 NiMH Rechargeable Battery (supplied) or 1 AA battery (optional)
Recharging Time : 24 hours (Approx.)

General

Design : Over-the-head, Home-music/movie/games
Diaphragm : PET
Headband : Wide, Double, 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: $99.99

ACCESSORIES SUPPLIED

Rechargeable NiCad Battery NC-AA-HJ
AC adapter
UniMatch plug adapter
Connecting cord

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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.