A:AnswerHi there! The DP-UB820-K player can be connected TVs via a High Speed HDMI cable. If your TVs support a high speed HDMI connection the player should work without issues. - S
A:AnswerHello and thank you for your question! The player does not act as an amplifier. It does not include a built-in amplifier, but it can be connected to one. We hope this information will be useful! - S
A:AnswerHello and thank your for your question! The DP-UB820-K player supports screen mirroring. You can use a Miracast-compatible smartphone or similar device to display the screen of your phone or tablet on the TV via the player. - S
A:AnswerHello and thank you for your question! The DP-UB820-K has screen mirroring capabilities. It is a built-in feature and you can access it from the "Home Network" option in the "Home" menu. You would need a Miracast®-compatible smartphone or similar device to show the content on your screen. Hope this helps! - S
A:AnswerPer the dimensions that are listed on the very page you asked the question from:
Product Height: 2.4 inches
Product Depth: 8 inches
Product Width: 16.9 inches
Product Weight: 5.3 pounds