Sony MDR-RF4000K Wireless Digital RF Headphones Technical Details

Sony MDR-RF4000K Wireless Digital RF Headphones Description

Sony MDR-RF4000K Wireless Digital RF Headphones
The Sony MDR-RF4000K Wireless Digital RF Headphones has 40mm drivers that deliver deeper bass, lower distortion and wider dynamic range. Stay comfortable as long as you listen. A wide, self-adjusting headband distributes the Sony MDR-RF4000K Wireless Digital RF Headphones's weight over a wide area, reducing pressure and improving comfort.

Radio Frequency (RF) transmission sends signals from the transmitter to the headphones, allowing high fidelity sound reproduction. You can enjoy the accompanying reception range, up to 100 feet, even when you move outside the line of sight of the transmission. The supplied rechargeable NiMH battery lets you enjoy up to eight hours of continuous on a single charge. The slim, folding design fits snugly into the charger (included). Substituting a single AAA battery for the rechargeable NiMH pack on this Sony MDR-RF4000K Wireless Digital RF Headphones provides 10 hours of power.

What It Is And Why You Need It

• 40mm driver units for deeper bass and less distortion
• Ergonomic design improved comfort and sound
• Wireless 2.4GHz digital RF signal transmits up to 100 feet
• Storage case works as charging dock
• Up to seven hours of listening on a single charge

Buy Sony MDR-RF4000K Wireless Digital RF Headphones

Now Just $119.99 Save $50 Sony MDR-RF4000K Wireless Digital RF Headphones - 40mm Drivers, Adjustable Headband, RF Transmitter, Rechargeable, Black

Sony MDR-RF4000K Wireless Digital RF Headphones Pictures