... 14"15"17"17.3"19"21.5"22"23.6"24"cheap lcd monitors :1)Flexible contrast ... of voice frequency input5)Good voice frequency processor and loudspeakerParametersDisplayscreen size19"Aspect Ratio 16:09Resolution 1366* ... GRT") is specialized in researching, developing, designing, manufacturing and selling GPS,LCD, LCD TV, LED-LCD TV, ... TV,monitor ,and relevant products. 14"15"17"17.3"19"21.5"22"23.6"24"cheap ...