Sony announce MDR-RF4000K and MDR-RF810RK wireless headphone sets

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MDR-RF4000K.JPGSony have today announced the release of two new sets of wireless headphones, the MDR-RF4000K and the MDR-RF810RK.

The MDR-RF4000K sets have been designed to complement the look of Sony’s new “Monolithic” range of Bravia TVs. They feature a small charging dock which the headphones can be folded and tucked away into for storing, as well as a wireless range of 30 metres. 40mm long-stoke drivers provide a frequency response range of 12Hz to 22000kHz.

The black headphones will deliver 7 hours of music between charges, while popping in a single AAA battery will provide you with 10 hours of audio if you cant get to a wall socket. Closed-cap headphones allow for top-notch sound isolation, while there’s also an adjustable headband for maximum comfort.

The MDR-RF810RK sets are a little lighter at 220 grams. They have a generous wireless range of 100 metres away from the base station, though that’s likely only to benefit those with MTV Cribs-sized houses. Like the MDR-RF4000K, it features a 40mm driver, but a smaller frequency response of 20Hz to 20kHz. The rechargeable battery will last for 13 hours per charge, whilst an AAA battery will this time provide as much as 28 hours of audio playback.

Though no pricing details have yet been revealed, you’ll be able to pick up the new Sony wireless headphone range in April.

Gerald Lynch