In this review, we will be comparing SuperSub XXL and SPL-120, two Powered Subwoofer speakers from GoldenEar and Klipsch. 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 Klipsch SPL-120 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.
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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 XXL and Klipsch SPL-120 have a totally different setup: the GoldenEar SuperSub XXL features 2 x 12-inch drivers whereas the SPL-120 features 1 x 12-inch drivers.
Frequency Response
SuperSub XXL has a frequency range of 10-250 Hz whereas SPL-120 has a frequency range of 24-125 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 SPL-120's min frequency of 24Hz.
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 Klipsch SPL-120 have Bass Reflex type enclosure. Bass Reflex type subwoofers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.
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 Klipsch SPL-120'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 Klipsch SPL-120 has external dimensions of 450.0 x 375.0 x 540.0mm (17-11/16 x 14-3/4 x 21-1/4inch).
GoldenEar SuperSub XXL is 3mm shorter and 106mm less deeper than Klipsch SPL-120 but it is also 110mm wider.
Below you can see the front view size comparison of GoldenEar SuperSub XXL and Klipsch SPL-120 in scale.
Comparison image of GoldenEar SuperSub XXL and Klipsch SPL-120 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 Klipsch SPL-120 is approximately 2025.0cm2 / 313.9inch2. The SuperSub XXL requires 4% more surface area than the SPL-120 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 Klipsch SPL-120 weighs 20.45kg / 45lbs. This makes the SuperSub XXL 82% heavier than the SPL-120.
Here is a comparison of how SuperSub XXL and SPL-120'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 Klipsch SPL-120?
Here are the items that come with the SPL-120:
- Powered sub
- Grille
- 6.5-feet AC power cord
- User Manual
- Important Safety Instructions
- Warranty Information
 Number of Woofers |
2
vs
1
|
More woofers |
| Low Frequency Response |
10 Hz
vs
24 Hz
|
Generates deeper bass |
 High Frequency Response |
250k Hz
vs
125k Hz
|
Generates higher frequency |
 Passive Radiator |
two 13-inch x 15-inch
vs
None
|
Increases the bass performance |
 Height |
447mm
vs
450mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
2025cm2
vs
2104cm2
|
Takes less floor space |
 Price per pair* |
499USD
vs
2499USD
|
costs less (*prices may change depending on the seller, location and time) |
 Wireless Operation |
Optional
vs
No
|
Connect your subwoofer to your system wireless |
| General |
GoldenEar SuperSub XXL |
Klipsch SPL-120 |
| Brand |
GoldenEar |
Klipsch |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
1600 watts |
300 watts |
| Frequency Response |
10-250 Hz |
24-125 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
1600-watt RMS |
300-watt RMS |
| Watts Peak (Max) |
n/a |
600-watt RMS |
Drivers |
|
|
| Woofer Quantity |
2 |
1 |
| Woofer Size |
12" |
12" |
| Woofer Composition |
Fiber |
Cerametallic |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
side |
front |
Physical Specs |
|
|
| Height |
447.0mm (17.6") |
450.0mm (17.7") |
| Width |
485.0mm (19.1") |
375.0mm (14.8") |
| Depth |
434.0mm (17.1") |
540.0mm (21.3") |
| Weight |
37.27kg (82lbs) |
20.45kg (45lbs) |
| Enclosure |
Passive Radiator |
Bass Reflex |
| Grille |
n/a |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
3 Years |
2 Years |
| Labor Warranty |
3 Years |
2 Years |