A:AnswerThe screen size is measured diagonally.
Height With Stand 27.8 inches
Width 44.4 inches
Depth With Stand 10.4 inches
David M. - Insignia Support
A:AnswerYes, you can just use the buttons on the remote to control your TV.
You don't have to use voice commands if you don't want to use them.
David M. - Insignia Support
A:AnswerThis TV has internal speakers, there is no need for a sound bar.
But, if you prefer using a soundbar, you can connect it at any time.
David M. - Insingia Support
A:AnswerWhen you connect a device to the 3.5 mm headphone jack on the TV, the TV speakers will automatically turn off. Try to use a 3.5 mm splitter to connect headphones and a soundbar at the same time.