In this review, we will be comparing SuperSub X and Descend DN12, two Powered Subwoofer speakers from GoldenEar and Definitive Technology. 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 GoldenEar SuperSub X and Definitive DN12 first before getting into our more detailed comparison.
In the following sections, we will get into details in order to better understand how the GoldenEar SuperSub X and Definitive DN12 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.GoldenEar SuperSub X and Definitive DN12 have a totally different setup: the GoldenEar SuperSub X features 2 x 8-inch drivers whereas the Descend DN12 features 1 x 12-inch drivers.
Frequency Response
SuperSub X has a frequency range of 12-250 Hz whereas Descend DN12 has a frequency range of 25-150 Hz. With a minimum frequency of 12Hz, the SuperSub X can go significantly deeper on the low side and provide stronger bass compared to the Descend DN12's min frequency of 25Hz.
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 GoldenEar SuperSub X and Definitive DN12 have Passive Radiator type cabinets. Passive Radiator type subwoofers sports a non-powered cone that moves in response to the main woofer to move air out in order to generate stronger bass in a smaller body compared to ported or sealed 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 GoldenEar SuperSub X's and Definitive DN12's external dimensions. GoldenEar SuperSub X has external dimensions of 324.0 x 356.0 x 388.0mm ( 12-3/4inch x 14inch x 15-1/4inch ) whereas Definitive DN12 has external dimensions of 488.0 x 459.0 x 512.0mm ( 19-3/16inch x 18-1/16inch x 20-1/8inch ) .
Definitive DN12 is clearly the larger of the two speakers. Its body is 103mm wider, 164mm taller and 124mm deeper than GoldenEar SuperSub X.
Below you can see the front view size comparison of GoldenEar SuperSub X and Definitive DN12 in scale.
Comparison image of GoldenEar SuperSub X and Definitive DN12 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 GoldenEar SuperSub X is approximately 1381.3cm2 / 214.1inch2 and base area of the Definitive DN12 is approximately 2350.1cm2 / 364.3inch2. The SuperSub X requires 41% less surface area than the Descend DN12 which gives it a small advantage 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 GoldenEar SuperSub X weighs 18.18kg / 40lbs and the Definitive DN12 weighs 33.23kg / 73.1lbs. This makes the Descend DN12 83% heavier than the SuperSub X.
Here is a comparison of how SuperSub X and Descend DN12's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
What's in the Box of GoldenEar SuperSub X?
Here are the items that are included inside the box of SuperSub X:
Powered Subwoofer10-feet AC power cordOwners Manual
What's in the Box of Definitive DN12?
Here are the items that come with the Descend DN12:
Powered subwoofer6-feet AC power cordRemote controlCR2032 3V battery (pre-installed in remote)Owners Manual
 Number of Woofers |
2
vs
1
|
More woofers |
| Low Frequency Response |
12 Hz
vs
25 Hz
|
Generates deeper bass |
 High Frequency Response |
250k Hz
vs
150k Hz
|
Generates higher frequency |
 Height |
324mm
vs
488mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
1381cm2 (356x388mm)
vs
2350cm2 (459x512mm)
|
Takes less floor space |
| Woofer Size |
12 inches
vs
8 inches
|
Larger woofer |
 Price per pair* |
1199USD
vs
1499USD
|
costs less (*prices may change depending on the seller, location and time) |
| General |
GoldenEar SuperSub X |
Definitive Technology Descend DN12 |
| Brand |
GoldenEar |
Definitive Technology |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
1400 watts |
500 watts |
| Frequency Response |
12-250 Hz |
25-150 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
1400-watt RMS |
500-watt RMS |
Drivers |
|
|
| Woofer Quantity |
2 |
1 |
| Woofer Size |
8" |
12" |
| Woofer Composition |
Fiber |
Polypropylene |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
side |
front |
Physical Specs |
|
|
| Height |
324.0mm (12.8") |
488.0mm (19.2") |
| Width |
356.0mm (14") |
459.0mm (18.1") |
| Depth |
388.0mm (15.3") |
512.0mm (20.2") |
| Weight |
18.18kg (40lbs) |
33.23kg (73.1lbs) |
| Enclosure |
Passive Radiator |
Passive Radiator |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
3 Years |
3 Years |
| Labor Warranty |
3 Years |
3 Years |