A:AnswerIt does not require a sound bar. The speakers are down firing. They are on the bottom edge of the display. This can be mounted to a wall without hindering the speakers..
A:AnswerThis television is a 4K television and will support all resolution leading up to it. Please reach out to our customer support at 877-878-4946 for assistance with you television.
A:AnswerYou may find your answer by clicking on the "Specifications" drop down. https://www.bestbuy.com/site/vizio-40-class-led-v-series-2160p-smart-4k-uhd-tv-with-hdr/6333198.p?skuId=6333198&ref=P30T24R154&loc=BODY&CampaignID=1020416&eut=1906621386