Subwoofers

There are subwoofers… and there are KEF subwoofers.
Our unparalleled KEF subwoofers allow you to take home the immersive power of deep, detailed bass. Whether listening to an album or watching a beloved blockbuster, their unrivalled acoustic accuracy drops you right into the heart of the action.

Over 60 years of innovation in crafting award-winning speakers has made us an authority in sound, and our subwoofer range brings home the visceral experience of modern immersive sound like no other for movies, gaming, music, and streaming.
KEF KC92 subwoofer placed in the middle of dark grey absorption metarial
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Frequently Asked Questions

What is a subwoofer?

A subwoofer is a speaker specialised in reproducing the very lowest frequencies in music and movies. Adding a subwoofer to your sound system builds out the sound further for superb detail and allows you to feel the depth of the bass in your chest physically. Typical examples of low frequency sounds include the bass guitar in Another One Bites the Dust or explosions in action movies.

See our blog ‘What is a Subwoofer? to learn more about this incredible audio technology. 
What are active and passive subwoofers?

All of our standalone subwoofers are active, meaning that they have an amplifier built in so that you can enjoy rumbling, deep bass right away. A passive subwoofer doesn’t have an amplifier built-in, so it will have to be connected to an amp to drive powerful sound. All our architectural subwoofers are passive.
Where should a subwoofer be placed?

It can take a little bit of work to find the best place for your subwoofer. The room, your speaker/listening position and your own preferences all play a part. Sometimes, a subwoofer just has to go where it will fit. KEF understands this, and has included a number of features to help really dial in your subwoofer, no matter where it is placed.

For example, "EQ" mode in KC92, KC62 and the Kube MIE range was developed to help ensure excellent performance no matter where in the room the subwoofer is placed. Choose one of five possible room placements and let the system adjust the settings automatically to give you the best sound possible.

See our guide to getting the most out of your subwoofer for further placement tips. 
How many subwoofers do I need?

A single subwoofer revolutionises your listening and can be a great addition to your setup. As your system grows over time, adding more subwoofers can help reduce negative effects of standing waves. Standing waves produce dips and peaks at certain frequencies throughout the room – the use of multiple subwoofer positions can smooth out the bass performance throughout the room, creating a more consistent sound experience.

Subwoofers placed very close together playing the same audio will acoustically couple – essentially acting like one larger subwoofer. Whilst this has the effect of creating more output (up to an additional 6dB), the biggest benefit is that each subwoofer can be played at a lower volume than a single one for a given output level. This enables the subwoofers to increase headroom for a more dynamic performance. For this reason we designed the KSK92 Stacking Kit, which allows for the KC92 subwoofer to be stacked vertically.

See our guide to decide if multiple subwoofers could be the audio option for you. 
Which subwoofer should I choose?

We offer a wide range of subwoofers to bring exquisite bass to listeners of all kinds. From the excellent value of the Kube MIE range to the exceptional Reference 8b that blasts bass through your space for phenomenal parties and immersive movie nights, KEF will surely have the right active subwoofer for your home.

Have more questions? Contact us for expert assistance.

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