Sony MDR-IF245RK Specifications

MDR-IF245RK
Unwind with wireless audio that sounds great, just for you. Roam free within
about 26' of your TV or sound system and enjoy up to 28 hours of listening
on one charge. They're also comfortable, stylish and perfect for cranking
the volume without waking the neighbors.
Cordless Headphones
Enjoy high-fidelity sound, at home, in wireless freedom.
Long-term comfort
The lightweight, self-adjusting mechanism allows for long-term comfort and ease-of-use.
Expressive sound
40 mm drivers deliver deeper bass and audio clarity for a superior home entertainment
experience.
Quality sound
Infrared transmission provides quality indoor, line of sight transmission. (Up to approximately 26 ft).¹
Battery Life
The supplied rechargeable battery delivers approximately 28 hour battery life with fast recharge
function.
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Specifications

Audio
Audio Modes
Driver Unit
Effective Range
Frequency Response
Transmitter
Volume Control
General
Design
Diaphragm
Headband
Magnet
Power On/Off
Type of Use
Hardware
Communication
Headphone Type
Inputs and Outputs
Audio In
Phono Input(s)
Power
Battery Charging (Approx)
Battery Life (Approx)
Battery Type
Mute: Operates when RF signal is weak or not received
40 mm
Approximately 33 ft (10 m); 13 ft (4 m) at ±45° line-of-sight
10 - 24,000 Hz
Right 2.8 MHz, Left 2.3 MHz; (Frequency modulation)
Yes (Rotary)
Over-the-head, Home-music/movie/games
PET
Wide, Self-adjusting
Neodymium
Manual Power switch turns headphones ON/OFF. RED LED illuminates
Home
Infrared
Open-air, Dynamic
Analog Phono Input (left/right), Analog Stereo Input mini jack (x1)
1 (Stereo L/R phono plugs)
16H (to fully charge an empty battery); Battery is charged by placing MDR on TMR
60H (with fully charged supplied NiMH battery pack); 28H (with AAA type alkaline
battery)
Rechargeable Ni-MH battery pack (supplied); AAA x2(not supplied)
Wireless Stereo Headphones System