In this review, we will be comparing Monitor XT12 and SB-1000, two Powered Subwoofer speakers from Polk Audio and SVS. 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 Monitor XT12 and SVS SB-1000 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 Monitor XT12 and SVS SB-1000 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.Polk Monitor XT12and SVS SB-1000 have the same driver set up: Both subwoofers have 1 x 12" drivers.
Frequency Response
Monitor XT12 has a frequency range of 24-160 Hz whereas SB-1000 has a frequency range of 24-260 Hz.
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 Polk Monitor XT12 has a Bass Reflex type cabinet. 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. On the other hand the SVS SB-1000 have Acoustic Suspension type enclosure. Acoustic Suspension aka Sealed type subwoofers have enclosures that are sealed hence no ports or holes exists on the cabinet. Sealed designs helps to provide more accurate and tight bass responses compared to ported 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 Monitor XT12's and SVS SB-1000's external dimensions. Polk Monitor XT12 has external dimensions of 418.0 x 408.0 x 485.0mm ( 16-7/16inch x 16-1/16inch x 19-1/16inch ) whereas SVS SB-1000 has external dimensions of 343.0 x 332.0 x 397.0mm ( 13-1/2 x 13-1/16 x 15-5/8inch) .
Polk Monitor XT12 is clearly the larger of the two speakers. Its body is 76mm wider, 75mm taller and 88mm deeper than SVS SB-1000.
Below you can see the front view size comparison of Polk Monitor XT12 and SVS SB-1000 in scale.
Comparison image of Polk Monitor XT12 and SVS SB-1000 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 Monitor XT12 is approximately 1978.8cm2 / 306.7inch2 and base area of the SVS SB-1000 is approximately 1318.0cm2 / 204.3inch2. The Monitor XT12 requires 50% more surface area than the SB-1000 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 Polk Monitor XT12 weighs 17.73kg / 39lbs and the SVS SB-1000 weighs 12.27kg / 27lbs. This makes the Monitor XT12 44% heavier than the SB-1000.
Here is a comparison of how Monitor XT12 and SB-1000'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 Monitor XT12?
Here are the items that are included inside the box of Monitor XT12:
Black powered subwoofer6.5-feet AC power cordGrilleOwners ManualOnline registration card
What's in the Box of SVS SB-1000?
Here are the items that come with the SB-1000:
Powered subwooferGrille (installed)6-feet AC power cordOwners ManualImportant Safety Instructions
 Price per pair* |
399USD
vs
500USD
|
costs less (*prices may change depending on the seller, location and time) |
 High Frequency Response |
260k Hz
vs
160k Hz
|
Generates higher frequency |
 Height |
343mm
vs
418mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
1318cm2 (332x397mm)
vs
1978cm2 (408x485mm)
|
Takes less floor space |
| General |
Polk Monitor XT12 |
SVS SB-1000 |
| Brand |
Polk Audio |
SVS |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
50 watts |
300 watts |
| Frequency Response |
24-160 Hz |
24-260 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
50-watt RMS |
300-watt RMS |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
12" |
12" |
| Woofer Composition |
Bi-laminate paper |
Not given |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Crossover Frequency |
n/a |
50-160 Hz and 80 Hz |
| Firing Direction |
front |
front |
Physical Specs |
|
|
| Height |
418.0mm (16.5") |
343.0mm (13.5") |
| Width |
408.0mm (16.1") |
332.0mm (13.1") |
| Depth |
485.0mm (19.1") |
397.0mm (15.6") |
| Weight |
17.73kg (39lbs) |
12.27kg (27lbs) |
| Enclosure |
Bass Reflex |
Acoustic Suspension |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
3 Years |
5 Years |
| Labor Warranty |
3 Years |
5 Years |