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  1. Home
  2. Focal Speakers
  3. Powered Subwoofers
  4. Focal Cub3
Focal Cub3 Subwoofer Review
Focal Cub3 - Front View

Compare To

Main Features

  • 8" Polyflex Woofer
  • 150 watts RMS Output
  • 40-150 Hz Frequency Response
  • Weight: 22.20 lbs / 10.09kg
  • Dimensions (H x W x D): 13-1/16" x 11-7/8" x 13-15/16"
MSRP: $261 (list price)
Check price atAmazon›
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Focal Cub3 Subwoofer Review
Focal Cub3 Focal Cub3
Check price atAmazon›

Made by Focal · France · since 1979 · sold through dealers

Cub3 is a Ported type Powered Subwoofer by Focal with a frequency range of 40-150 Hz. It was released in 2013. It features 1 x 8" Polyflex Woofer, and powered by a 150 watts amplifier.

Cub3 is a member of Focal's Cub series of Powered subwoofers. The Cub range are Focal's compact powered subwoofers. Below you can see the main specs of these subwoofers as well as review and comparison links.

Focal Cub Series Subwoofers
Model Frequency Woofer Amp Power Weight
Focal Cub Evo
Compare
35-150 Hz 8" 200 watts 7.95kg
Focal Cub3
40-150 Hz 8" 150 watts 10.09kg

Frequency Response

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

Focal Cub3 has a Frequency response range of 40-150 Hz.

Here we have a comparison of how Cub3'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
Focal Cub3
Min
Average
Max
High Frequency
Subwoofer Speakers
Focal Cub3
Min
Average
Max

Among all subwoofers in our database with a max MSRP price of 300$, these are the 5 Powered Subwoofer models that can reach deeper bass levels than the Focal Cub3's 40Hz:

  • Yamaha NS-SW100 with Low Frequency of 25 Hz (Compare w/ Cub3)
  • Sony SA-CS9 with Low Frequency of 28 Hz (Compare w/ Cub3)
  • Yamaha NS-SW050 with Low Frequency of 28 Hz (Compare w/ Cub3)
  • Jamo C 912 with Low Frequency of 29 Hz (Compare w/ Cub3)
  • Klipsch R-10SWi with Low Frequency of 32 Hz (Compare w/ Cub3)

Low-Pass Crossover

Focal Cub3 has a variable Low-pass filter (LFP) which lets you choose a frequency level between 110 Hz in order to block any frequencies above that point from reaching the amplifier.

Inputs and Outputs

  • PreampLevel Inputs: LFE, Stereo RCA
  • SpeakerLevel Inputs: No
  • SpeakerLevel Outputs: No
  • Wireless: No

Focal Cub3 External Dimensions and Weight

Focal Cub3 has external dimensions of (Height x Width x Depth) 13-1/16inch x 11-7/8inch x 13-15/16inch (332.0 x 302.0 x 355.0mm ).

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 Focal Cub3 is approximately 1072.1cm2 / 166.2inch2.

To get a better perspective on the real life size of Focal Cub3, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

Focal Cub3 Real Life Body Size Comparison
Focal Cub3 Speaker Size Compared to a Compact Disc

Here we place the Focal Cub3 virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.

Focal Cub3 placed next to a Media Stand
Focal Cub3 Subwoofer next to a Media Stand

Find speakers that fit your shelf or alcove →

Weight

The Focal Cub3 weighs 10.09kg / 22.2lbs. 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 Cub3's weight compares with the average, max and min weights in its class.

Weight
All Subwoofer Speakers
Focal Cub3
Min
Average
Median
Weight
Subwoofer Speakers under $300
Focal Cub3
Min
Average
Max

Cabinet type and Materials

Focal Cub3 has a Bass Reflex type cabinet. Ported subwoofers are generally accepted to be more suitable for home theatre systems whereas the sealed designs are preferred for music oriented systems.

Port Position

Focal Cub3 is a bottom-firing port speaker.

What's in the Box of Focal Cub3?

Here are the items that are included inside the box of Cub3:
  • Powered subwoofer
  • 8-feet AC power cord
  • User Manual
  • Thank You Card

Recommended Accessories

Here is a list of accessories that we think you may need for the Focal Cub3.

  • 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

3 Years of parts warranty and 3 Years of labor warranty is generally provided by the manufacturer.

Focal Cub3 Detailed Specifications

General
BrandFocal
Full Model NameFocal Cub3
TypePowered Subwoofer
Release Date2013
Frequency Response40-150 Hz
Enclosure TypePorted
EnclosureBass Reflex
Firing DirectionDown
Port Positionbottom
Amplifier & Driver
Power (RMS)150 watts
Woofer8-inch Polyflex

Controls & Connections
Low-pass Crossover110 Hz
Phase ControlYes
WirelessNo
Line-level InputsLFE, Stereo RCA
Speaker-level InputsNo
Speaker-level OutputsNo
Physical
Dimensions (HxWxD)13-1/16" x 11-7/8" x 13-15/16" (332.0 x 302.0 x 355.0mm)
Weight10.09 kg (22.2 lbs)
Parts Warranty3 Years
Labor Warranty3 Years
Focal Cub3 Alternatives in Powered Subwoofer Speakers
Model Frequency Woofer Amp Power Dimensions
Polk Monitor XT12
Compare
24-160 Hz 12" 50 watts 16-7/16inch x 16-1/16inch x 19-1/16inch
SVS SB-1000 Pro
Compare
20-270 Hz 12" 325 watts 13-1/2inch x 13inch x 15-13/16inch
B&W DB4S
Compare
10-350 Hz 10" 1000 watts 14-3/4 x 14-1/4 x 17-1/16inch
Klipsch R-121SW
Compare
28-120 Hz 12" 200 watts 16-5/8inch x 16inch x 20-15/16inch
Klipsch R-101SW
Compare
30-160 Hz 10" 150 watts 14-9/16inch x 14-1/16inch x 20-13/16inch
Klipsch RP-1200SW
Compare
17-138 Hz 12" 400 watts 18-15/16inch x 17inch x 25-15/16inch
KEF KC62
Compare
11-200 Hz 6.5" 1000 watts 9-5/8inch x 10-1/8inch x 11-1/16inch
Klipsch R-100SW
Compare
32-120 Hz 10" 150 watts 14-5/8 x 12-9/16 x 18-1/16inch
Wharfedale SW-15
Compare
30-120 Hz 15" 400 watts 22-7/16inch x 19-3/8inch x 24-3/16inch
Klipsch SPL-100
Compare
27-125 Hz 10" 200 watts 16-7/16 x 14-1/16 x 18-13/16inch
B&W ASW610
Compare
27-140 Hz 10" 200 watts 12-5/8 x 12-1/4 x 15-1/2inch
KEF KUBE 8b
Compare
34-140 Hz 8" 300 watts 11-9/16 x 11-5/8 x 13-5/16inch
KEF KUBE 10b
Compare
24-140 Hz 10" 300 watts 14-5/8 x 14 x 15-5/8inch
B&W ASW608
Compare
32-140 Hz 8" 200 watts 10-11/16 x 10-1/4 x 13-3/4inch
JBL Stage A120P
Compare
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 Focal Cub3

How low can the Focal Cub3 go?

The Focal Cub3 has a frequency response of 40-150 Hz. Its low-end extends to 40Hz.

How much power does the Focal Cub3 have?

The Focal Cub3 has a built-in 150-watt RMS amplifier.

Is the Focal Cub3 sealed or ported?

The Focal Cub3 uses a Ported enclosure. Ported (bass-reflex) designs use a tuned vent to move more air, giving deeper, louder output for the same driver, which suits home theater.

What driver does the Focal Cub3 use?

The Focal Cub3 has a 8-inch Polyflex driver.

Does the Focal Cub3 have app control or room correction?

Yes. The Focal Cub3 offers an adjustable low-pass crossover (110 Hz) and phase control, letting you dial the sub into your room and blend it with your speakers.

How do you connect the Focal Cub3?

The Focal Cub3 connects via line-level LFE, Stereo RCA inputs.

How big and heavy is the Focal Cub3?

The Focal Cub3 weighs 10.09kg / 22.2lbs and measures 13-1/16" x 11-7/8" x 13-15/16" (HxWxD).

How much does the Focal Cub3 cost?

The Focal Cub3 has a manufacturer's list price (MSRP) of $261.

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