While this Harman Kardon 5.1 surround sound speaker system isn’t as turnkey as a VIZIO 5.1 sound bar system—you’ll need to run a lot more wires, and buy a receiver as well—it should sound fantastic, and will give you much better separation on the front channels. Today’s deal on eBay is $50 less than Amazon, where the set carries a 4.4 star review average.

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