Sony MDR-IF140K Operating Instructions Manual page 4

Welcome!
Thank you for purchasing the Sony
MDR-IF140K Cordless Stereo
Headphone System. Before operating
the unit, please read this manual
thoroughly and retain it for future
reference.
The MDR-IF140K is a cordless stereo
headphone system using infrared
transmission. You can enjoy listening to
a program free from the restriction of
the headphone cord by simply
connecting the transmitter to a TV, or
audio components equipped with a
headphone jack or a line output jack.
• Cordless, noiseless infrared headphone
system resistant to external noise, etc.
• Wide infrared reception range of up to 7m
(23 ft.).
• Self-adjusting headband mechanism
eliminating the need for headband
adjustment.
• Single VOL control adjusts both the right
and left volume of the headphones.
4 GB