In this review, we will be comparing ForceField 4 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 ForceField 4 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.
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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.Both GoldenEar ForceField 4and JBL Stage A120P have a single woofer setup however the GoldenEar ForceField 4's woofer is 10-inch whereas the JBL Stage A120P features a 12-inch woofer.
Frequency Response
ForceField 4 has a frequency range of 14-250 Hz whereas A120P has a frequency range of 32-150 Hz. With a minimum frequency of 14Hz, the ForceField 4 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 ForceField 4 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 ForceField 4's and JBL Stage A120P's external dimensions. GoldenEar ForceField 4 has external dimensions of 331.0 x 340.0 x 482.0mm (13inch x 13-3/8inch x 18-15/16inch) 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).
GoldenEar ForceField 4 is 53mm narrower and 84mm shorter than JBL Stage A120P but it is also 7mm deeper.
Below you can see the front view size comparison of GoldenEar ForceField 4 and JBL Stage A120P in scale.
Comparison image of GoldenEar ForceField 4 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 ForceField 4 is approximately 1638.8cm2 / 254.0inch2 and base area of the JBL Stage A120P is approximately 1866.8cm2 / 289.4inch2. The ForceField 4 requires 12% less surface area than the A120P 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 ForceField 4 weighs 14.55kg / 32lbs and the JBL Stage A120P weighs 18.68kg / 41.1lbs. This makes the A120P 28% heavier than the ForceField 4.
Here is a comparison of how ForceField 4 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 ForceField 4?
Here are the items that are included inside the box of ForceField 4:
- 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
 Low Frequency Response |
14 Hz
vs
32 Hz
|
Generates deeper bass |
 High Frequency Response |
250k Hz
vs
150k Hz
|
Generates higher frequency |
 Height |
331mm
vs
415mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
1638cm2
vs
1866cm2
|
Takes less floor space |
| Woofer Size |
12 inches
vs
10 inches
|
Larger woofer |
 Price per pair* |
300USD
vs
799USD
|
costs less (*prices may change depending on the seller, location and time) |
| General |
GoldenEar ForceField 4 |
JBL Stage A120P |
| Brand |
GoldenEar |
JBL |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
1200 watts |
250 watts |
| Frequency Response |
14-250 Hz |
32-150 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
1200-watt RMS |
250-watt RMS |
| Watts Peak (Max) |
n/a |
500-watt RMS |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
10" |
12" |
| Woofer Composition |
Polypropylene |
Polycellulose |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
front |
front |
Physical Specs |
|
|
| Height |
331.0mm (13") |
415.0mm (16.3") |
| Width |
340.0mm (13.4") |
393.0mm (15.5") |
| Depth |
482.0mm (19") |
475.0mm (18.7") |
| Weight |
14.55kg (32lbs) |
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 |