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General Features

More Information
A phase switch adjusts the timing of your powered subwoofer very slightly in order to help its woofer and the woofers in your main speakers move in and out at the same time (or "in phase"). Depending on its placement in your room, your sub may sound better with the switch engaged, or not.

Woofer Size (inches) More Information
The diameter of the woofer.

Firing Direction More Information
Some computer speakers feature a separate subwoofer for bigger, more powerful bass.

Amplifier Power (RMS) More Information
The subwoofer amplifier's continuous (RMS) output in watts. The greater the RMS output, the cleaner and louder the sub will play.

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Powered Subwoofers

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  • Klipsch KW-120-THX
    Klipsch KW-120-THX

    THX® certified passive subwoofer with matching amplifier

    OUT OF STOCK

    Ship date unknown
    Reserve yours today
    • 12" long-throw Ceremetalic™ woofer in a bass-reflex cabinet
    • separate custom-matched 500-watt amplifier
    • frequency response 20-200 Hz

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    $2,999.98

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Subwoofers: How To Choose

Subwoofers: How To Choose Subwoofers are dedicated solely to reproducing low-frequency sounds. While this may not be the most glamorous job in a stereo or home theater system, the subwoofer can be a...

Bass Basics: Connecting and Tuning Your Home Theater SubwooferJim Ralston outlines some tips on how to adjust your subwoofer for better home theater performance.

Video: Speaker Placement for Great SoundLearn about the basics of good speaker placement, so you can set up your speakers to deliver the best sound for your room.