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Sony MDR-RF985RK User Manual

Sony MDR-RF985RK
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Untangle your mind and relax with crisp, personal audio without wires. They also
feature a comfortable headband and long battery life up to 25 hours.
Specications
900 MHz Analog RF wireless headphone
Bullets
Wireless FM headphones for cord-free listening
40 mm driver units for expressive sound
Easy-adjust headband for long term comfort
Noise reduction system for minimal transmission noise
Automatic tuning for optimum signal reception
Up to 45 meter (150 feet) reception range
1
Approximate 25 hour battery life
1
Fast recharge: approximately 3.5 hours = full charge
1
Volume control on headphones
Easy connection of TV, Hi-Fi, and other components
Audio
Audio Modes Mute: Operates when RF signal is weak or not received
Channel Selection Select by a slide switch
Driver Unit 40 mm
Eective Range Approximately 150 feet (45 m)
Frequency
Response
10-22000 Hz
Transmitter
Ch1: 915.5 MHz, Ch2: 916.0 MHz, Ch3: 916.5 MHz
(selective, FM Stereo)
Features
Cordless Headphones
Enjoy high-delity sound, at home, in wireless freedom.
Long-term comfort
The easy-adjust headband allows for long-term comfort and ease-of-use.
Expressive sound
40mm drivers deliver deeper bass and audio clarity for a superior home entertainment
experience.
Quality sound
Wireless radio-frequency transmission provides quality indoor transmission. (Up to approximately
150 )¹
Fast charging
Quick charging your headphones is a breeze with the secure charging system. A 3.5 hour charge
will produce a full charge of approximately 25 hours. recharge function.
MDR-RF985RK

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Questions and Answers:

Sony MDR-RF985RK Specifications

General IconGeneral
Rechargeable batteryYes
Battery recharge time3.5 h
Continuous audio playback time25 h
Driver typeDynamic
Driver unit40 mm
Magnet typeFerrite
Ear couplingSupraaural
Diaphragm materialPolyethylene terephthalate (PET)
Headphone frequency10 - 22000 Hz
Output power0.01 W
Power requirements12V, 200mA
Cable length1 m
Product colorBlack
Wearing styleHead-band
Volume controlRotary
Frequency band0.9 GHz
Wireless range45 m
Connectivity technologyWireless
Weight and Dimensions IconWeight and Dimensions
Weight300 g

Summary

Product Features

Cordless Operation

Enjoy high-fidelity sound at home in wireless freedom without cords.

Comfortable Headband

Features an easy-adjust headband for long-term comfort and ease-of-use.

Expressive Sound Quality

40mm drivers deliver deeper bass and audio clarity for superior home entertainment.

Indoor Transmission Quality

Wireless radio-frequency transmission provides quality indoor transmission up to 150 ft.

Fast Charging Capability

Quick charging provides approximately 25 hours of playback from a 3.5 hour charge.

General Specifications

Communication Method

Utilizes Wireless Analog 900 MHz Radio Frequency for connectivity.

Audio Input

Supports Analog Phono Input (left/right) and Analog Stereo Input mini jack.

Battery Charging Time

Approximately 3.5 hours for a full charge from empty.

Battery Life

Provides approximately 25 hours of use with a fully charged battery.

Power Requirements

Requires DC 12 V, supplied via an AC adaptor.

Dimensions and Weight

Details dimensions for the transmitter and weight for headphones and transmitter.

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