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  1. Home
  2. KEF Speakers
  3. Powered Subwoofers
  4. KEF KF92
KEF KF92 Subwoofer Review
KEF KF92 - Front View

Compare To

Main Features

  • 2 x 9" Hybrid aluminum Woofer
  • 1,000 watts RMS Output
  • 11-200 Hz Frequency Response
  • Built-in DSP with Room Correction
  • Weight: 44.10 lbs / 20.05kg
  • Dimensions (H x W x D): 13-7/8" x 13" x 14-1/4"
MSRP: $2,000 (list price)
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KEF KF92 Subwoofer Review
KEF KF92 KEF KF92
Check price atAmazon›

Made by KEF · United Kingdom · since 1961 · sold through dealers

KF92 is a Sealed type Powered Subwoofer by KEF with a frequency range of 11-200 Hz. It was released in 2020. It features 2 x 9" Hybrid aluminum Woofer, and powered by a Class D 1000 watts amplifier.

Frequency Response

Where should the crossover go? →  ·  What will your room do to this bass? →

KEF KF92 has a Frequency response range of 11-200 Hz. Thanks to its 2 x 9-inch driver and 1000 watts RMS amplifier, at 11Hz the KF92 can generate bass levels that is even below 20Hz which is considered to be the bottom limit of Full Range sound (20Hz -20kHz) that human can hear.

Here we have a comparison of how KF92's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Powered Subwoofers
KEF KF92
Min
Average
Max
High Frequency
Subwoofer Speakers
KEF KF92
Min
Average
Max

Inputs and Outputs

  • PreampLevel Inputs: Stereo RCA/LFE
  • SpeakerLevel Inputs: Yes
  • SpeakerLevel Outputs: Yes
  • Wireless: Yes

KEF KF92 External Dimensions and Weight

KEF KF92 has external dimensions of (Height x Width x Depth) 13-7/8 x 13 x 14-1/4inch (353.0 x 331.0 x 362.0mm ).

Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base area of KEF KF92 is approximately 1198.2cm2 / 185.7inch2.

To get a better perspective on the real life size of KEF KF92, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

KEF KF92 Real Life Body Size Comparison
KEF KF92 Speaker Size Compared to a Compact Disc

Here we place the KEF KF92 virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.

KEF KF92 placed next to a Media Stand
KEF KF92 Subwoofer next to a Media Stand

Find speakers that fit your shelf or alcove →

Weight

The KEF KF92 weighs 20.05kg / 44.1lbs. Weight of a subwoofer is an important factor when you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. Here is a comparison of how KF92's weight compares with the average, max and min weights in its class.

Weight
All Subwoofer Speakers
KEF KF92
Min
Average
Median
Weight
Subwoofer Speakers under $2000
KEF KF92
Min
Average
Max

Cabinet type and Materials

KEF KF92 has a Acoustic Suspension type cabinet. Acoustic suspension aka Sealed subwoofers are preferred for music oriented systems whereas the Ported subwoofers are generally accepted to be more suitable for home theatre systems.

What's in the Box of KEF KF92?

Here are the items that are included inside the box of KF92:
  • Powered subwoofer
  • 6.5-feet AC power cord
  • Speaker-level input block
  • User Manual
  • Important Safety Information
  • Warranty Information

Recommended Accessories

Here is a list of accessories that we think you may need for the KEF KF92.

  • Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
  • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

Warranty

2 Years of parts warranty and 2 Years of labor warranty is generally provided by the manufacturer.

KEF KF92 Detailed Specifications

General
BrandKEF
Full Model NameKEF KF92
TypePowered Subwoofer
Release Date2020
Frequency Response11-200 Hz
Enclosure TypeSealed
EnclosureAcoustic Suspension
Amplifier & Driver
Power (RMS)1000 watts
Amplifier TypeClass D
Woofer2 x 9-inch Hybrid aluminum

Controls & Connections
Phase ControlYes
Room CorrectionYes
Built-in DSPYes
WirelessNo
Line-level InputsStereo RCA/LFE
Speaker-level InputsYes
Speaker-level OutputsYes
Physical
Dimensions (HxWxD)13-7/8" x 13" x 14-1/4" (353.0 x 331.0 x 362.0mm)
Weight20.05 kg (44.1 lbs)
Mounting BracketNo
Parts Warranty2 Years
Labor Warranty2 Years
KEF KF92 Alternatives in Powered Subwoofer Speakers
Model Frequency Woofer Amp Power Dimensions
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Klipsch R-121SW
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30-160 Hz 10" 150 watts 14-9/16inch x 14-1/16inch x 20-13/16inch
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27-125 Hz 10" 200 watts 16-7/16 x 14-1/16 x 18-13/16inch
B&W ASW610
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27-140 Hz 10" 200 watts 12-5/8 x 12-1/4 x 15-1/2inch
KEF KUBE 8b
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34-140 Hz 8" 300 watts 11-9/16 x 11-5/8 x 13-5/16inch
KEF KUBE 10b
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24-140 Hz 10" 300 watts 14-5/8 x 14 x 15-5/8inch
B&W ASW608
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32-140 Hz 8" 200 watts 10-11/16 x 10-1/4 x 13-3/4inch
JBL Stage A120P
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32-150 Hz 12" 250 watts 16-5/16 x 15-7/16 x 18-11/16inch
Klipsch SPL-120
Compare
24-125 Hz 12" 300 watts 17-11/16 x 14-3/4 x 21-1/4inch
Frequently Asked Questions about KEF KF92

How low can the KEF KF92 go?

The KEF KF92 has a frequency response of 11-200 Hz. It digs below 20Hz, the bottom limit of human hearing, so you get deep, physical bass you feel as much as hear.

How much power does the KEF KF92 have?

The KEF KF92 has a built-in 1000-watt RMS Class D amplifier.

Is the KEF KF92 sealed or ported?

The KEF KF92 uses a Sealed enclosure. Sealed subwoofers trade a little output for tighter, more accurate bass and a smaller cabinet, which many listeners prefer for music.

What driver does the KEF KF92 use?

The KEF KF92 has a 2 x 9-inch Hybrid aluminum driver.

Does the KEF KF92 have app control or room correction?

Yes. The KEF KF92 offers room correction, onboard DSP and phase control, letting you dial the sub into your room and blend it with your speakers.

How do you connect the KEF KF92?

The KEF KF92 connects via line-level Stereo RCA/LFE and speaker-level Yes inputs.

How big and heavy is the KEF KF92?

The KEF KF92 weighs 20.05kg / 44.1lbs and measures 13-7/8" x 13" x 14-1/4" (HxWxD).

How much does the KEF KF92 cost?

The KEF KF92 has a manufacturer's list price (MSRP) of $2,000.

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