In this review, we will be comparing PSW10 and C 912, two Powered Subwoofer speakers from Polk Audio and Jamo. 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 Polk PSW10 and Jamo C 912 first before getting into our more detailed comparison.
In the following sections, we will get into details in order to better understand how the Polk PSW10 and Jamo C 912 compare and hopefully end up with enough arguments to decide which one of these subwoofers is the better choice for you.
**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my 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.Both Polk PSW10and Jamo C 912 have a single woofer setup however the Polk PSW10's woofer is 10-inch whereas the Jamo C 912 features a 12-inch woofer.
Frequency Response
PSW10 has a frequency range of 40-160 Hz whereas C 912 has a frequency range of 29-125 Hz. With a minimum frequency of 29Hz, the C 912 can go significantly deeper on the low side and provide stronger bass compared to the PSW10's min frequency of 40Hz.
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 Polk PSW10 and Jamo C 912 have Bass Reflex type cabinets. 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
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 Polk PSW10's and Jamo C 912's external dimensions. Polk PSW10 has external dimensions of 366.0 x 356.0 x 412.0mm ( 14-3/8 x 14 x 16-3/16inch) whereas Jamo C 912 has external dimensions of 461.0 x 358.0 x 507.0mm ( 18-1/8 x 14-1/16 x 19-15/16inch) .
Jamo C 912 is clearly the larger of the two speakers. Its body is 2mm wider, 95mm taller and 95mm deeper than Polk PSW10.
Below you can see the front view size comparison of Polk PSW10 and Jamo C 912 in scale.
Comparison image of Polk PSW10 and Jamo C 912 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 Polk PSW10 is approximately 1466.7cm2 / 227.3inch2 and base area of the Jamo C 912 is approximately 1815.1cm2 / 281.3inch2. The PSW10 requires 19% less surface area than the C 912 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 Polk PSW10 weighs 11.82kg / 26lbs and the Jamo C 912 weighs 18.98kg / 41.8lbs. This makes the C 912 61% heavier than the PSW10.
Here is a comparison of how PSW10 and C 912's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
What's in the Box of Polk PSW10?
Here are the items that are included inside the box of PSW10:
Black powered subwooferGrilleOwners ManualOnline registration card
What's in the Box of Jamo C 912?
Here are the items that come with the C 912:
Powered subwooferGrille6-feet AC power cordUser ManualImportant Safety InstructionsWarranty Information
 High Frequency Response |
160k Hz
vs
125k Hz
|
Generates higher frequency |
 Height |
366mm
vs
461mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
1466cm2 (356x412mm)
vs
1815cm2 (358x507mm)
|
Takes less floor space |
 Woofer Size |
12 inches
vs
10 inches
|
Larger woofer |
| Low Frequency Response |
29 Hz
vs
40 Hz
|
Generates deeper bass |
 Price per pair* |
229USD
vs
249USD
|
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 |
Polk Audio PSW10 |
Jamo C 912 |
| Brand |
Polk Audio |
Jamo |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
50 watts |
200 watts |
| Frequency Response |
40-160 Hz |
29-125 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
50-watt RMS |
200-watt RMS |
| Watts Peak (Max) |
n/a |
400-watt RMS |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
10" |
12" |
| Woofer Composition |
Polymer Composite |
IMG |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
front |
front |
Physical Specs |
|
|
| Height |
366.0mm (14.4") |
461.0mm (18.1") |
| Width |
356.0mm (14") |
358.0mm (14.1") |
| Depth |
412.0mm (16.2") |
507.0mm (20") |
| Weight |
11.82kg (26lbs) |
18.98kg (41.8lbs) |
| Enclosure |
Bass Reflex |
Bass Reflex |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
3 Years |
2 Years |
| Labor Warranty |
3 Years |
2 Years |