Soundbar or speakers?


Total audio noob here. My son is getting a PS4 for Christmas (ok, it's for me) and I want to kick up the sound a bit. Right now we are rocking built in speakers only.

Thinking of a Soundbar because it would be easy and cheap, but only if the sound is decent. 

If not a soundbar, what do I need for decent sound without going too far past the cost of a soundbar? Not interested in wiring or mounting speakers behind me either. Lazy here.
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