Audio sound type 2.0 audio formats supported aac, ac3(dolby digital), mp3, wma output per speaker 10 w total speaker output 20 w no. of speakers 2 other smart audio features auto volume leveller: balance display size(diagonal) 50 inch refresh rate 60 hz resolution 4k, 3840 x 2160 pixels contrast ratio 5000 :1 type led horizontal viewing angles 178 degrees vertical viewing angles 178 degrees 3d tv no curved tv no ultra slim tv no brightness 30 nits other display features hdr (high dynamic range), micro dimming physical design colour black weight without stand 10 kg weight with stand 10.2 kg dimensions with stand(wxhxd) 1127 x 711.5 x 239 mm dimensions without stand(wxhxd) 1127 x 653.5 x 75.7 mm stand colour black connectivity /ports usb ports 2(side) usb supports audio, video,