Sony MDR-RF985RK - User Manual

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

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.

Sony MDR-RF985RK Specifications