Design and Specifications subject to change without notice.
Modulation system
Frequency modulation
Carrier frequency
Right 2.8 MHz
Left 2.3 MHz
Frequency response
18-22,000 Hz
Power source
DC 1.5 V (size AAA) dry battery
Mass
Approx. 125 g (4.41 oz.) including battery
Specifications
MDR-IF140
Cordless Stereo Headphones
2003 SONY MOBILE
PRODUCT GUIDE
Built-in infra-red (IR) wireless receiver
30mm dome-type drive units for deep bass
and accurate sound
Lightweight (4 oz.) open-air design
Up to 60 hours of battery life with AAA alkaline battery
Compatible with Sony Mobile monitors
w/IR headphone transmitter
Wide single headband with self-adjusting mechanism
Powered by single AAA battery (not included)
(Minimum) 140 mm (5 1/2)
62 mm(2 3/8)
(Diameter)
Fuse (10A)
BUS Control IN
General
Supplied Accessories
Operating instructions (1)
(Minimum)
155 mm (6 1/2)
(Maximum)
230 mm (8)
