SpeakerDecision
  • SPEAKERS by TYPE
    • Passive Bookshelf Speakers
    • Passive Floor-standing Speakers
    • Passive Center Channel Speakers
    • Passive In-wall Speakers
    • All Passive Speakers
    • Powered Subwoofers
    • Powered Stereo Speakers
  • AMPLIFIERS
KEF KUBE 10b Subwoofer Review

Main Features

  • 10" Not given Woofer
  • 300 watts RMS Output
  • 24-140 Hz Frequency Response
  • Built-in DSP with Room Correction
  • Weight: 38.50 lbs / 17.50kg
  • Dimensions (H x W x D): 14-5/8" x 14" x 15-5/8"
CHECK PRICE
CHECK PRICE

Compare To

x
Add a Subwoofer for comparison
KEF KUBE 10b Subwoofer Review

KUBE 10b is a Sealed type Powered Subwoofer by KEF with a frequency range of 24-140 Hz. It features 1 x 10" Not given Woofer, and powered by a Class D 300 watts amplifier.

KUBE 10b is a member of KEF's KUBE series of Powered subwoofers. Below you can see the main specs of these subwoofers as well as review and comparison links.

KEF KUBE Series Subwoofers
Model Frequency Woofer Amp Power Weight
KEF KUBE 8b
Compare
34-140k Hz 8" 300 watts 11.36kg
KEF KUBE 10b
24-140k Hz 10" 300 watts 17.50kg
KEF KUBE 12b
Compare
22-140k Hz 12" 300 watts 20.68kg


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Frequency Response

KEF KUBE 10b has a Frequency response range of 24-140 Hz at ±3dB. With the help of its 1 x 10-inch driver and 300 watts RMS amplifier, the KUBE 10b can go as low as 24 Hz which doesn't quite offer full range sound (20Hz-2kHZ) but it gets really close. Here we have a comparison of how KUBE 10b'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 KUBE 10b
Min
Average
Max
High Frequency
Subwoofer Speakers
KEF KUBE 10b
Min
Average
Max

Among all subwoofers in our database with a max MSRP price of 750$, these are the 5 Powered Subwoofer models that can reach deeper bass levels than the KEF KUBE 10b's 24Hz:

  • GoldenEar ForceField 3 with Low Frequency of 18 Hz (Compare w/ KUBE 10b)
  • SVS PB-1000 with Low Frequency of 19 Hz (Compare w/ KUBE 10b)
  • SVS SB-2000 with Low Frequency of 19 Hz (Compare w/ KUBE 10b)
  • Klipsch RP-1000SW with Low Frequency of 19 Hz (Compare w/ KUBE 10b)
  • SVS SB-1000 Pro with Low Frequency of 20 Hz (Compare w/ KUBE 10b)


Low-Pass Crossover

KEF KUBE 10b has a variable Low-pass filter (LFP) which lets you choose a frequency level between 40-140 Hz in order to block any frequencies above that point from reaching the amplifier.

Inputs and Outputs

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

Wireless Connection

KEF KUBE 10b lets you make a wireless connection to your system with an optional adapter. Wireless connection helps to minimize the cables running on your floor.

KEF KUBE 10b External Dimensions and Weight

KEF KUBE 10b has external dimensions of (Height x Width x Depth) 14-5/8 x 14 x 15-5/8inch (372.0 x 356.0 x 397.0mm ).

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 KUBE 10b is approximately 1413.3cm2 / 219.1inch2.

To get a better perspective on the real life size of KEF KUBE 10b, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

KEF KUBE 10b Real Life Body Size Comparison
KEF KUBE 10b Speaker Size Compared to a Compact Disc

Here we place the KEF KUBE 10b virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.

KEF KUBE 10b placed next to a Media Stand
KEF KUBE 10b Subwoofer next to a Media Stand

Weight

The KEF KUBE 10b weighs 17.50kg / 38.5lbs. 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 KUBE 10b's weight compares with the average, max and min weights in its class.

Weight
All Subwoofer Speakers
KEF KUBE 10b
Min
Average
Max
Weight
Subwoofer Speakers under $750
KEF KUBE 10b
Min
Average
Max

Cabinet type and Materials

KEF KUBE 10b 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.

Port Position

KEF KUBE 10b is a front-firing port speaker , which gives you more flexibility compared to rear firing speakers when you need to place it close against a wall or other surfaces.

What's in the Box of KEF KUBE 10b?

Here are the items that are included inside the box of KUBE 10b:
  • Powered subwoofer
  • 6.5-feet AC power cord
  • Speaker-level input block
  • User Manual
  • Important Safety Information
  • Warranty Information
  • Warranty

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

    KEF KUBE 10b Alternatives in Powered Subwoofer Speakers
    Model Frequency Woofer Amp Power Dimensions
    Polk Monitor XT12
    Compare
    24-160k Hz 12" 50 watts 16-7/16inch x 16-1/16inch x 19-1/16inch "
    Klipsch R-121SW
    Compare
    28-120k Hz 12" 200 watts 16-5/8inch x 16inch x 20-15/16inch "
    B&W DB4S
    Compare
    10-350k Hz 10" 1000 watts 14-3/4 x 14-1/4 x 17-1/16inch"
    SVS SB-1000 Pro
    Compare
    20-270k Hz 12" 325 watts 13-1/2inch x 13inch x 15-13/16inch "
    Klipsch R-101SW
    Compare
    30-160k Hz 10" 150 watts 14-9/16inch x 14-1/16inch x 20-13/16inch "
    KEF KC62
    Compare
    11-200k Hz 6.5" 1000 watts 9-5/8inch x 10-1/8inch x 11-1/16inch "
    Wharfedale SW-15
    Compare
    30-120k Hz 15" 400 watts 22-7/16inch x 19-3/8inch x 24-3/16inch "
    KEF KUBE 8b
    Compare
    34-140k Hz 8" 300 watts 11-9/16 x 11-5/8 x 13-5/16inch"
    Klipsch SPL-100
    Compare
    27-125k Hz 10" 200 watts 16-7/16 x 14-1/16 x 18-13/16inch"
    Klipsch R-100SW
    Compare
    32-120k Hz 10" 150 watts 14-5/8 x 12-9/16 x 18-1/16inch"
    Jamo S 808 SUB
    Compare
    39-180k Hz 8" 50 watts 18-1/16 x 7 x 14inch"
    SVS PB-1000
    Compare
    19-270k Hz 10" 300 watts 18-7/8 x 15 x 20-15/16inch"
    Wharfedale SW-12
    Compare
    35-120k Hz 12" 300 watts 18-7/8inch x 15-13/16inch x 20-1/8inch "
    Klipsch SPL-120
    Compare
    24-125k Hz 12" 300 watts 17-11/16 x 14-3/4 x 21-1/4inch"
    Klipsch RP-1600SW
    Compare
    15-175k Hz 16" 800 watts 23-7/16inch x 23-1/2inch x 27-3/8inch "
    SVS PB-1000 Pro
    Compare
    17-260k Hz 12" 325 watts 18-13/16inch x 15inch x 20-15/16inch "
    Frequently Asked Questions about KEF KUBE 10b
    What is the External Dimensions of KEF KUBE 10b


    LATEST BLOG POSTS

    Buchardt Celebrates 10 years with A10 Active Standmount Loudspeakers
    New Deals on Klipsch Reference Premier Mark II Speakers
    Monitor Audio Unveils Flagship PlatinumĀ 3G Series Loudspeakers
    MoFi SourcePoint 8 vs SourcePoint 10 Size and Specs Comparison
    MoFi Unveils the new SourcePoint 8 Passive Loudspeaker by Andrew Jones
    Q Acoustics Unveiled 5000 Series Passive Loudspeakers


    Latest Powered Subwoofers
    ELAC Varro DS1200-GB
    ELAC Varro DS1200-GB
    12-inch Woofer | 14-150 Hz | 1200 watts
    ELAC Varro DS1000-BG
    ELAC Varro DS1000-BG
    10-inch Woofer | 15-150 Hz | 1000 watts
    ELAC Varro RS700-SB
    ELAC Varro RS700-SB
    12-inch Woofer | 14-150 Hz | 700 watts
    ELAC Varro RS500-SB
    ELAC Varro RS500-SB
    10-inch Woofer | 15-150 Hz | 500 watts
    ELAC Varro PS500-BK
    ELAC Varro PS500-BK
    15-inch Woofer | 16-150 Hz | 500 watts
    ELAC Varro PS350-BK
    ELAC Varro PS350-BK
    12-inch Woofer | 21-150 Hz | 350 watts
    ELAC Varro PS250-BK
    ELAC Varro PS250-BK
    10-inch Woofer | 24-150 Hz | 250 watts
    Klipsch Reference Premiere RP-1600SW
    Klipsch Reference Premiere RP-1600SW
    16-inch Woofer | 14.5-175 Hz | 800 watts
    Klipsch Reference Premiere RP-1400SW
    Klipsch Reference Premiere RP-1400SW
    14-inch Woofer | 16-141 Hz | 500 watts
    Klipsch Reference Premiere RP-1200SW
    Klipsch Reference Premiere RP-1200SW
    12-inch Woofer | 16.5-138 Hz | 400 watts


    Most Popular Speakers
    Klipsch Reference R-51M
    Klipsch R-51M
    2-way Bookshelf | 93 dB | 8 ohms
    Wharfedale Elysian 2
    Wharfedale Elysian 2
    3-way Bookshelf | 89 dB | 4 ohms
    Bowers & Wilkins 606
    B&W 606
    2-way Bookshelf | 88 dB | 8 ohms
    ELAC Debut 2.0 B6.2
    ELAC Debut 2.0 B6.2
    2-way Bookshelf | 87 dB | 6 ohms
    Bowers & Wilkins 606 S2 Anniversary Edition
    B&W 606 S2
    2-way Bookshelf | 88 dB | 8 ohms
    Klipsch Reference Premiere RP-500M
    Klipsch RP-500M
    2-way Bookshelf | 93 dB | 8 ohms
    Wharfedale EVO4.1
    Wharfedale EVO4.1
    2-way Bookshelf | 87 dB | 8 ohms
    Klipsch Reference Premiere RP-400M
    Klipsch RP-400M
    2-way Bookshelf | 93 dB | 8 ohms
    Klipsch Reference R-620F
    Klipsch R-620F
    2-way Floor-standing | 96 dB | 8 ohms
    KEF Q150
    KEF Q150
    2-way Bookshelf | 86 dB | 8 ohms

    Copyright © 2023 by SpeakerDecision
    About Privacy Camera Decision