Sony MDRRF985RK Wireless RF Headphones

Sony MDRRF985RK Wireless RF Headphones
Clear Wireless Sound

Large 40mm driver units for clear highs and deep bass
Noise-reduction system minimizes transmission noise
Automatic tuning optimizes signal reception
Up 150’ wireless radio frequency (RF) transmission

Transmitter Channels

Channel 1: 915.5MHz
Channel 2: 916.0MHz
Channel 3: 916.5MHz

Long-Wear Comfort

Easy-to-adjust headband
Generously padded ear cups

Long Battery Life

Up to 25 hours of use on full charge
Fully recharges in about 3.5 hours
Lithium-ion battery

Wired Connectivity

Includes 39.375” stereo connecting cable
Tangle-resistant design
Corrosion-resistant nickel-plated connector
Analog phono in (left/right), analog stereo input mini jack

Specifics

Product number: MDRRF985RK
Full specifications
Frequency response: 10Hz–22kHz
Sensitivity: 100dB
Product dimensions: 8.625”x4.25”x3.875”
Product weight: 10.59oz.
Condition: new
90 day warranty from Sony