You already have great speakers. Do you really need a subwoofer?

The Audiophiliac checks out the new Zu Audio Undertone Mk. II subwoofer to see what it does for a system with large floor-standing speakers.

While subwoofers are all but required for home theater, the role subs play in music systems is almost as crucial. So even if you have a pair of bookshelf or tower speakers with 5-inch or smaller woofers and are perfectly satisfied with the bass, you literally don't know what you're missing. Adding a sub to larger speakers also makes sense -- in fact, all but the most humongous speakers benefit from adding a sub.

Here's the best part: Adding a sub isn't just about more bass. With a great sub the system's dynamics rock harder, and soundstage depth and spaciousness improve. A well-matched sub will dramatically enhance the overall sound of your system, and adding the right sub will make a bigger difference than upgrading electronics.

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