![]() Subwoofers come in two varieties: passive and active. Read on to find out about different types of subwoofers-and their pros and cons-as well as their setup, placement, and integration. Such a design relieves your main amplifier of the burden of driving the woofer, but the speakers must be plugged into an AC outlet. Most of these products actually employ woofers that are simply driven by an integral power amplifier. You’ll also see full-range speakers with a built-in “subwoofer” powered by its own amplifier. A low-frequency driver in an enclosure with an output extending to 40Hz and used with small satellite speakers is more properly called a woofer. But subwoofer actually means “below the woofer,” and the term should be reserved for those products that extend bass response to below 20Hz. The term subwoofer is grossly misused to describe any low-frequency driver system enclosed in a separate cabinet. Put simply, it is possible to greatly improve a system’s performance by adding a subwoofer (or a pair of subs).įirst, the basic definition: A subwoofer is a loudspeaker that produces low frequencies that augment and extend the bass output of a full-range loudspeaker system. ![]() Although proper setup and integration require some attention and patience, the results can enhance the sound of a wide range of systems-without being “in-your-face” obvious about it. ![]() While they have a reputation for providing hefty bass lift, they need not be proverbial bulls in the china shop of your listening room. Subwoofers are often misunderstood, both in name and in application. ![]() Excerpted and adapted from The Complete Guide to High-End Audio (Fifth Edition). ![]()
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