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13
GB
Specifications
General
Carrier frequency
913.5 – 914.5 MHz
Channel Ch1, Ch2, Ch3
Modulation FM stereo
Frequency response
MDR-RF920R : 20 – 20,000 Hz
MDR-RF960R : 10 – 22,000 Hz
Transmitter TMR-RF960R
Power source DC 9 V: supplied AC power
adaptor
Audio input phono jacks/stereo mini jack
Dimensions Approx. 133 × 124 × 136 mm
(5
1
/4 × 5 × 5
3
/8 in.)
(w/h/d)
Mass Approx. 195 g (7 oz.)
Headphones MDR-RF920R, MDR-RF960R
Power source Supplied rechargeable nickel-
metal hydride batteries BP-
HP550 or commercially available
(size AAA) dry batteries
Mass Approx. 270 g (9.6 oz.) incl.
batteries
Optional accessories
Audio cable RK-G136 (stereo mini plug y
stereo mini plug)
RK-C310,C320 (pin plug × 2 y
pin plug × 2)
Design and specifications are subject to change without
notice.
Problem
Distortion
Loud
background
noise
Solution
If the transmitter is connected to the
headphone jack, volume of the
connected audio/video equipment.
Change the radio frequency with the
CHANNEL selector on the
transmitter.
The headphones’ POWER indicator
light is weak or turned off.
•Charge the supplied rechargeable
batteries or if the POWER indicator
is still off after charging the
supplied rechargeable batteries, take
the headphones to a Sony dealer for
replacement of the rechargeable
battery.
If you connect the transmitter to the
LINE OUT or REC OUT jacks of an
audio reproducer, make sure that the
NOISE FILTER switch is set to OFF.
Move closer to the transmitter. As
you move away from the transmitter,
more noise is likely to be heard.
If the transmitter is connected to the
headphones jack, turn up the volume
of the connected audio/video
equipment.
MDR-RF920RK:
Change the radio frequency with the
CHANNEL selector on the
transmitter, then tune the headphones
with the TUNE control.
MDR-RF960RK:
Change the radio frequency with the
CHANNEL selector on the
transmitter, then press the TUNE
button again.
The headphones’ POWER indicator
light is weak or turned off.
•Charge the supplied rechargeable
batteries or if the POWER indicator
is still off after charging the
supplied rechargeable batteries, take
the headphones to a Sony dealer for
replacement of the rechargeable
battery.
If you connect the transmitter to the
LINE OUT or REC OUT jacks of an
audio reproducer, make sure that the
NOISE FILTER switch is set to OFF.