Two audio experts explain the simple differences between a pair of entry-level bookshelf speakers and a pair that costs over $1,000.

People like good sound, obviously, but to different ends and different extremes. There’s upgrading to a soundbar or a two-channel home theater system so you can better hear dialog on TV. Then, there’s building a bonafide home hi-fi system and spending thousands on various speakers, connections, sources and other electronics.
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