In this review, we will be comparing S 810 SUB and C 912, two Powered Subwoofer speakers by 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 Jamo S 810 SUB 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 Jamo S 810 SUB 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.
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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 Jamo S 810 SUBand Jamo C 912 have a single woofer setup however the Jamo S 810 SUB's woofer is 10-inch whereas the Jamo C 912 features a 12-inch woofer.
Frequency Response
S 810 SUB has a frequency range of 36-180 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 S 810 SUB's min frequency of 36Hz.
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 Jamo S 810 SUB 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 Jamo S 810 SUB's and Jamo C 912's external dimensions. Jamo S 810 SUB has external dimensions of 508.0 x 228.0 x 405.0mm ( 20 x 8-15/16 x 15-15/16inch) 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 S 810 SUB is 130mm narrower and 102mm less deeper than Jamo C 912 but it is also 47mm taller.
Below you can see the front view size comparison of Jamo S 810 SUB and Jamo C 912 in scale.
Comparison image of Jamo S 810 SUB 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 Jamo S 810 SUB is approximately 923.4cm2 / 143.1inch2 and base area of the Jamo C 912 is approximately 1815.1cm2 / 281.3inch2. The S 810 SUB requires 49% 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 Jamo S 810 SUB weighs 11.82kg / 26lbs and the Jamo C 912 weighs 18.98kg / 41.8lbs. This makes the C 912 61% heavier than the S 810 SUB.
Here is a comparison of how S 810 SUB 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 Jamo S 810 SUB?
Here are the items that are included inside the box of S 810 SUB:
Powered subwooferGrille5-feet AC power cord6.5-feet Mono-RCA cable4 Rubber feetUser ManualImportant Safety InstructionsWarranty Information
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 |
180k Hz
vs
125k Hz
|
Generates higher frequency |
 Base Surface Area |
923cm2
vs
1815cm2
|
Takes less floor space |
 Price per pair* |
199USD
vs
229USD
|
costs less (*prices may change depending on the seller, location and time) |
 Woofer Size |
12 inches
vs
10 inches
|
Larger woofer |
| Low Frequency Response |
29 Hz
vs
36 Hz
|
Generates deeper bass |
 Height |
461mm
vs
508mm
|
Easier to fit in smaller spaces |
 Wireless Operation |
Optional
vs
No
|
Connect your subwoofer to your system wireless |
| General |
Jamo S 810 SUB |
Jamo C 912 |
| Brand |
Jamo |
Jamo |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
75 watts |
200 watts |
| Frequency Response |
36-180 Hz |
29-125 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
75-watt RMS |
200-watt RMS |
| Watts Peak (Max) |
n/a |
400-watt RMS |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
10" |
12" |
| Woofer Composition |
Polyfiber |
IMG |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
Side |
front |
Physical Specs |
|
|
| Height |
508.0mm (20") |
461.0mm (18.1") |
| Width |
228.0mm (9") |
358.0mm (14.1") |
| Depth |
405.0mm (15.9") |
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 |
2 Years |
2 Years |
| Labor Warranty |
2 Years |
2 Years |