In this review, we will be comparing KUBE 10b and Muro SUB2020, two Powered Subwoofer speakers from KEF and ELAC. Being Powered subwoofers, they both have built-in amplifiers so you don't need an external power amp or an integrated amp to power them. Let's have a brief look at the main features of KEF KUBE 10b and ELAC Muro SUB2020 first before getting into our more detailed comparison.
In the following sections, we will get into details in order to better understand how the KEF KUBE 10b and ELAC Muro SUB2020 compare and hopefully end up with enough arguments to decide which one of these subwoofers is the better choice for you.
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Drivers
The efficiency of a subwoofer is directly proportional to the total radiating are squared hence the woofer quantity and diameter.KEF KUBE 10band ELAC Muro SUB2020 have the same driver set up: Both subwoofers have 1 x 10" drivers.
Frequency Response
KUBE 10b has a frequency range of 24-140 Hz whereas Muro SUB2020 has a frequency range of 28-200 Hz. With a minimum frequency of 24Hz, the KUBE 10b can go slightly deeper then the Muro SUB2020's min frequency of 28Hz.
Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the Subwoofer class in our database.
Low Frequency
Subwoofer Speakers
High Frequency
Subwoofer Speakers
Cabinet Type
Both KEF KUBE 10b and ELAC Muro SUB2020 have Acoustic Suspension type cabinets. Acoustic Suspension aka Sealed type subwoofers have enclosures that are sealed hence no ports or holes exists on the cabinet. Sealed designs helps to provide more accurate and tight bass responses compared to ported designs.
Physical Specs
Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare KEF KUBE 10b's and ELAC Muro SUB2020's external dimensions. KEF KUBE 10b has external dimensions of 372.0 x 356.0 x 397.0mm ( 14-5/8 x 14 x 15-5/8inch) whereas ELAC Muro SUB2020 has external dimensions of 399.0 x 185.0 x 515.0mm ( 15-11/16 x 7-1/4 x 20-1/4inch) .
KEF KUBE 10b is 27mm shorter and 118mm less deeper than ELAC Muro SUB2020 but it is also 171mm wider.
Below you can see the front view size comparison of KEF KUBE 10b and ELAC Muro SUB2020 in scale.
Comparison image of KEF KUBE 10b and ELAC Muro SUB2020 Size and External Dimensions
Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base surface area of the KEF KUBE 10b is approximately 1413.3cm2 / 219.1inch2 and base area of the ELAC Muro SUB2020 is approximately 952.8cm2 / 147.7inch2. The KUBE 10b requires 48% more surface area than the Muro SUB2020 which gives it a small disadvantage on placement in tight spaces.
Weight Comparison The weight of a subwoofer may become an important factor if you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. The KEF KUBE 10b weighs 17.50kg / 38.5lbs and the ELAC Muro SUB2020 weighs 12.73kg / 28lbs. This makes the KUBE 10b 37% heavier than the Muro SUB2020.
Here is a comparison of how KUBE 10b and Muro SUB2020's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
What's in the Box of KEF KUBE 10b?
Here are the items that are included inside the box of KUBE 10b:
Powered subwoofer6.5-feet AC power cordSpeaker-level input blockUser ManualImportant Safety InformationWarranty Information
What's in the Box of ELAC Muro SUB2020?
Here are the items that come with the Muro SUB2020:
Powered subwoofer8-feet AC power cord4 Cone feet2 Brackets2 Machine screws2 Wood screws2 Washers2 Wall anchorsOperating Instructions
 Low Frequency Response |
24 Hz
vs
28 Hz
|
Generates deeper bass |
 Height |
372mm
vs
399mm
|
Easier to fit in smaller spaces |
 Price per pair* |
750USD
vs
1000USD
|
costs less (*prices may change depending on the seller, location and time) |
 High Frequency Response |
200k Hz
vs
140k Hz
|
Generates higher frequency |
 App-Based Control |
iOS,Android
vs
None
|
Control the speaker via an app |
 Base Surface Area |
952cm2 (185x515mm)
vs
1413cm2 (356x397mm)
|
Takes less floor space |
| General |
KEF KUBE 10b |
ELAC Muro SUB2020 |
| Brand |
KEF |
ELAC |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
300 watts |
200 watts |
| Frequency Response |
24-140 Hz |
28-200 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
300-watt RMS |
200-watt RMS |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
10" |
10" |
| Woofer Composition |
Not given |
Woven Cellulose Fiber |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Crossover Frequency |
40-140 Hz |
n/a |
| Firing Direction |
front |
side or bottom |
Physical Specs |
|
|
| Height |
372.0mm (14.6") |
399.0mm (15.7") |
| Width |
356.0mm (14") |
185.0mm (7.3") |
| Depth |
397.0mm (15.6") |
515.0mm (20.3") |
| Weight |
17.50kg (38.5lbs) |
12.73kg (28lbs) |
| Enclosure |
Acoustic Suspension |
Acoustic Suspension |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
2 Years |
1 Year |
| Labor Warranty |
2 Years |
1 Year |