In this review, we will be comparing SuperSub XXL and A120P, two Powered Subwoofer speakers from GoldenEar and JBL. 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 XXL and JBL Stage A120P first before getting into our more detailed comparison.
The sections below take each area in turn: driver and amplifier, frequency response, physical size and connectivity.
**This post contains affiliate links, and we will be compensated if you make a purchase after clicking through our links. As an Amazon Associate I earn from qualifying purchases.
Drivers
The efficiency of a subwoofer is directly proportional to the total radiating are squared hence the woofer quantity and diameter.GoldenEar SuperSub XXL and JBL Stage A120P have a totally different setup: the GoldenEar SuperSub XXL features 2 x 12-inch drivers whereas the A120P features 1 x 12-inch drivers.
Frequency Response
SuperSub XXL has a frequency range of 10-250 Hz whereas A120P has a frequency range of 32-150 Hz. With a minimum frequency of 10Hz, the SuperSub XXL can go significantly deeper on the low side and provide stronger bass compared to the A120P's min frequency of 32Hz.
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
The GoldenEar SuperSub XXL has a Passive Radiator type cabinet. 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. On the other hand the JBL Stage A120P have Bass reflex type enclosure.
Physical Specs
The size of a speaker can sometimes be 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 XXL's and JBL Stage A120P's external dimensions. GoldenEar SuperSub XXL has external dimensions of 447.0 x 485.0 x 434.0mm (17-9/16inch x 19-1/16inch x 17-1/16inch) whereas JBL Stage A120P has external dimensions of 415.0 x 393.0 x 475.0mm (16-5/16 x 15-7/16 x 18-11/16inch).
JBL Stage A120P is 92mm narrower and 32mm shorter than GoldenEar SuperSub XXL but it is also 41mm deeper.
Below you can see the front view size comparison of GoldenEar SuperSub XXL and JBL Stage A120P in scale.
Comparison image of GoldenEar SuperSub XXL and JBL Stage A120P 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 XXL is approximately 2104.9cm2 / 326.3inch2 and base area of the JBL Stage A120P is approximately 1866.8cm2 / 289.4inch2. The SuperSub XXL requires 13% more surface area than the A120P 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 GoldenEar SuperSub XXL weighs 37.27kg / 82lbs and the JBL Stage A120P weighs 18.68kg / 41.1lbs. This makes the SuperSub XXL 100% heavier than the A120P.
Here is a comparison of how SuperSub XXL and A120P'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 XXL?
Here are the items that are included inside the box of SuperSub XXL:
- Powered Subwoofer
- 10-feet AC power cord
- Owners Manual
What's in the Box of JBL Stage A120P?
Here are the items that come with the A120P:
- Powered subwoofer
- Grille
- 6-feet AC power cord
- 4 Spike feet
- Owners Manual
- Warranty Card
- Important Safety Instructions
 Number of Woofers |
2
vs
1
|
More woofers |
| Low Frequency Response |
10 Hz
vs
32 Hz
|
Generates deeper bass |
 High Frequency Response |
250k Hz
vs
150k Hz
|
Generates higher frequency |
 Passive Radiator |
two 13-inch x 15-inch
vs
None
|
Increases the bass performance |
 Height |
415mm
vs
447mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
1866cm2
vs
2104cm2
|
Takes less floor space |
 Price per pair* |
300USD
vs
2499USD
|
costs less (*prices may change depending on the seller, location and time) |
| General |
GoldenEar SuperSub XXL |
JBL Stage A120P |
| Brand |
GoldenEar |
JBL |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
1600 watts |
250 watts |
| Frequency Response |
10-250 Hz |
32-150 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
1600-watt RMS |
250-watt RMS |
| Watts Peak (Max) |
n/a |
500-watt RMS |
Drivers |
|
|
| Woofer Quantity |
2 |
1 |
| Woofer Size |
12" |
12" |
| Woofer Composition |
Fiber |
Polycellulose |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
side |
front |
Physical Specs |
|
|
| Height |
447.0mm (17.6") |
415.0mm (16.3") |
| Width |
485.0mm (19.1") |
393.0mm (15.5") |
| Depth |
434.0mm (17.1") |
475.0mm (18.7") |
| Weight |
37.27kg (82lbs) |
18.68kg (41.1lbs) |
| Enclosure |
Passive Radiator |
Bass reflex |
| Grille |
n/a |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
3 Years |
1 Year |
| Labor Warranty |
3 Years |
1 Year |