You could set up the Denon as a 2.1 or 3.1 system.
If you place the receiver close to the TV there won't be long cables to deal with. If you wanted to set up the surrounds you could get a wireless adapter that would eliminate the need for the long rear speaker cables.
Cheap soundbars are barely worth it on a TV but for music they are horrible. You system will also sound better at low volumes so will potentially be less of an issue with neighbors.