In this review, we will be comparing RP-1200SW and Descend DN15, two Powered Subwoofer speakers from Klipsch and Definitive Technology. 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 Klipsch RP-1200SW and Definitive DN15 first before getting into our more detailed comparison.
In the following sections, we will get into details in order to better understand how the Klipsch RP-1200SW and Definitive DN15 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 Klipsch RP-1200SWand Definitive DN15 have a single woofer setup however the Klipsch RP-1200SW's woofer is 12-inch whereas the Definitive DN15 features a 15-inch woofer.
Frequency Response
RP-1200SW has a frequency range of 16.5-138 Hz whereas Descend DN15 has a frequency range of 20-150 Hz. With a minimum frequency of 17Hz, the RP-1200SW can go slightly deeper then the Descend DN15's min frequency of 20Hz.
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 Klipsch RP-1200SW 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 Definitive DN15 have Passive Radiator type enclosure. 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.
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 Klipsch RP-1200SW's and Definitive DN15's external dimensions. Klipsch RP-1200SW has external dimensions of 482.0 x 432.0 x 659.0mm ( 18-15/16inch x 17inch x 25-15/16inch ) whereas Definitive DN15 has external dimensions of 634.0 x 596.0 x 640.0mm ( 24-15/16inch x 23-7/16inch x 25-3/16inch ) .
Klipsch RP-1200SW is 164mm narrower and 152mm shorter than Definitive DN15 but it is also 19mm deeper.
Below you can see the front view size comparison of Klipsch RP-1200SW and Definitive DN15 in scale.
Comparison image of Klipsch RP-1200SW and Definitive DN15 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 Klipsch RP-1200SW is approximately 2846.9cm2 / 441.3inch2 and base area of the Definitive DN15 is approximately 3814.4cm2 / 591.2inch2. The RP-1200SW requires 25% less surface area than the Descend DN15 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 Klipsch RP-1200SW weighs 31.18kg / 68.6lbs and the Definitive DN15 weighs 52.09kg / 114.6lbs. This makes the Descend DN15 67% heavier than the RP-1200SW.
Here is a comparison of how RP-1200SW and Descend DN15's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
 Low Frequency Response |
17 Hz
vs
20 Hz
|
Generates deeper bass |
 Height |
482mm
vs
634mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
2846cm2
vs
3814cm2
|
Takes less floor space |
 Price per pair* |
999USD
vs
1799USD
|
costs less (*prices may change depending on the seller, location and time) |
 Wireless Operation |
Optional
vs
No
|
Connect your subwoofer to your system wireless |
| Woofer Size |
15 inches
vs
12 inches
|
Larger woofer |
 High Frequency Response |
150k Hz
vs
138k Hz
|
Generates higher frequency |
 Passive Radiator |
2 x 15-inch
vs
None
|
Increases the bass performance |
| General |
Klipsch Reference Premiere RP-1200SW |
Definitive Technology Descend DN15 |
| Brand |
Klipsch |
Definitive Technology |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
400 watts |
500 watts |
| Frequency Response |
16.5-138 Hz |
20-150 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
400-watt RMS |
500-watt RMS |
| Watts Peak (Max) |
800-watt RMS |
n/a |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
12" |
15" |
| Woofer Composition |
Cerametallic |
Polypropylene |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
front |
front |
Physical Specs |
|
|
| Height |
482.0mm (19") |
634.0mm (25") |
| Width |
432.0mm (17") |
596.0mm (23.5") |
| Depth |
659.0mm (25.9") |
640.0mm (25.2") |
| Weight |
31.18kg (68.6lbs) |
52.09kg (114.6lbs) |
| Enclosure |
Bass Reflex |
Passive Radiator |
| Finish |
MDF with Vinyl |
n/a |
| Available Colors |
Ebony |
n/a |
| Grille |
Yes |
n/a |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
5 years |
3 Years |
| Labor Warranty |
5 years |
3 Years |