In this review, we will be comparing R18s and Monitor XT12, two Powered Subwoofer speakers from Perlisten and Polk Audio. 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 Perlisten R18s and Polk Monitor XT12 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.Perlisten R18s and Polk Monitor XT12 have a totally different setup: the Perlisten R18s features x -inch drivers whereas the Monitor XT12 features 1 x 12-inch drivers.
Frequency Response
R18s has a frequency range of 20-288 Hz whereas Monitor XT12 has a frequency range of 24-160 Hz. With a minimum frequency of 20Hz, the R18s can go slightly deeper then the Monitor XT12'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
Both Perlisten R18s and Polk Monitor XT12 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
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 Perlisten R18s's and Polk Monitor XT12's external dimensions. Perlisten R18s has external dimensions of () whereas 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).
Polk Monitor XT12 is clearly the larger of the two speakers. Its body is 408mm wider, 418mm taller and 485mm deeper than Perlisten R18s.
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 Perlisten R18s weighs 57.30kg / 126.1lbs and the Polk Monitor XT12 weighs 17.73kg / 39lbs. This makes the R18s 223% heavier than the Monitor XT12.
Here is a comparison of how R18s and Monitor XT12's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
 Low Frequency Response |
20 Hz
vs
24 Hz
|
Generates deeper bass |
 High Frequency Response |
288k Hz
vs
160k Hz
|
Generates higher frequency |
 Height |
0mm
vs
418mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
0cm2
vs
1978cm2
|
Takes less floor space |
| Woofer Size |
12 inches
vs
inches
|
Larger woofer |
 Price per pair* |
399USD
vs
5495USD
|
costs less (*prices may change depending on the seller, location and time) |
| General |
Perlisten R18s |
Polk Monitor XT12 |
| Brand |
Perlisten |
Polk Audio |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Sensitivity |
95 dB |
n/a |
| Frequency Response |
20-288 Hz |
24-160 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
n/a |
50-watt RMS |
Drivers |
|
|
| Woofer Quantity |
|
1 |
| Woofer Size |
" |
12" |
| Woofer Composition |
|
Bi-laminate paper |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
n/a |
front |
Physical Specs |
|
|
| Height |
mm (0") |
418.0mm (16.5") |
| Width |
mm (0") |
408.0mm (16.1") |
| Depth |
mm (0") |
485.0mm (19.1") |
| Weight |
57.30kg (126.1lbs) |
17.73kg (39lbs) |
| Enclosure |
Bass Reflex |
Bass Reflex |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
|
3 Years |
| Labor Warranty |
|
3 Years |