A:AnswerIf you pair the sound bar to the TV (very easy) you can definitely use the TV remote to change the volume, etc. You will need the sound bar remote for fine tuning your bass, treble, subwoofer, and any sound field (surround, voice, sports, etc.) programs.
A:AnswerYes you can. You can either return it at a local best buy store or send it back via mail. Check out this link to know more about their return policy
http://www.bestbuy.com/site/help-topics/return-exchange-policy/pcmcat260800050014.c?id=pcmcat260800050014
A:AnswerHi, Herm. Although this unit was created to work optimally along with a curved TV it will still work great for any 65in. television you may have. We are sure you will achieve the desired sound you are looking to achieve with this wonderful set up. Have a wondrous day.