Let me begin by saying that I am a novice on a budget. Due to the dimensions/design of my room, it is not feasible to run wires for surround (rear) speakers. For this reason, I wanted to go with a 3.1 set-up. I currently have a LG soundbar connected to the TV via a optical cable (only option)...
For me, I would have two (2) in ceiling Dolby Atmos enabled speakers, seven (7) traditional speakers, and a powered subwoofer connected to a Denon X5200W receiver as a companion to a Samsung UN55JU7100 55-Inch 4K Ultra HD 3D and Denon DBT-3313UDCI Blu-ray player.