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![Sony's X850 4K UHDTVs Don't Have Magnetic Fluid Speakers, But are Cheaper than the X900 - HardwareZone.com.sg Sony's X850 4K UHDTVs Don't Have Magnetic Fluid Speakers, But are Cheaper than the X900 - HardwareZone.com.sg](https://assets.hardwarezone.com/img/2013/09/sony-x900-4k-tv.jpg)