The Charge 5 can get slightly louder and can produce a more extended low-bass out-of-the-box.
It also has better directivity, so its soundstage is perceived as more wide and spacious.
It comes with bass and treble adjustments, meaning you can tweak its sound to your liking.
It also has a better-balanced, and more neutral sound profile, making it suitable for listening to a wide variety of audio content.
That said, the Xtreme 3 can play stereo content without downmixing it to mono, which sounds more immersive.
Lee has been Reviewed's point person for most television and home theater products since 2012.